Skip to main content
Image of the Baltimore County Seal

Main navigation

  • Services
  • Report
  • Pay
  • Apply
  • Contact
Baltimore County Government
Use the dropdown menu to select your preferred language
English العربية Français 한국어 Русский Español

Breadcrumb

  1. Home
  2. Departments
  3. Health
  4. Environmental Health Services
  5. Water Sampling
  6. Water Sampling Results
  7. Middle River Water Sampling Results

Middle River Water Sampling Results

RECREATIONAL WATERS

May 20, 2025
Sampling ID Numbers12345678910
Results (Enterococci MPN)<103040<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.0371.0N/AN/AN/AN/AN/AN/AOutgoingN 7N
May 1, 2025
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0069.0N/AN/AN/AN/AN/AN/AOutgoingSW 8N
April 23, 2025
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.003.3565.0N/AN/AN/AN/AN/AN/AIncomingNE 3N
September 19, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10303020<10<10<10<1010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results3.3575.0N/AN/AN/AN/AN/AN/AOutgoingN 6Y
September 5, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1010<10<10<1020<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2674.0N/AN/AN/AN/AN/AN/AOutgoingESE 6N
August 26, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1020<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5879.0N/AN/AN/AN/AN/AN/AIncomingNW 3N
August 12, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<103010<10<10<10<1010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.2382.0N/AN/AN/AN/AN/AN/AIncomingWNW 8N
July 31, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<101030<10<10<1020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.3982.0N/AN/AN/AN/AN/AN/AOutgoingNW 6Y
July 15, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<1010<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5886.0N/AN/AN/AN/AN/AN/AIncomingNW 6N
June 25, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<102010<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.7082.0N/AN/AN/AN/AN/AN/AOutgoingSW 8N
June 11, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2675.0N/AN/AN/AN/AN/AN/AIncomingSW 3N
May 20, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2669.0N/AN/AN/AN/AN/AN/AOutgoingSE 4N
April 29, 2024
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0063.0N/AN/AN/AN/AN/AN/AIncoming7 SEN
September 12, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2681.0N/AN/AN/AN/AN/AN/AOutgoingW 5-10N
August 21, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2683.0N/AN/AN/AN/AN/AN/AOutgoingNW 5N
August 9, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1020<1010<1010<10<101010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results3.3980.0N/AN/AN/AN/AN/AN/AIncomingE 7N
July 25, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<101010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.0083.0N/AN/AN/AN/AN/AN/AIncomingN 3Y
July 10, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)4020110301101021010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results11.7684.0N/AN/AN/AN/AN/AN/AIncomingNW 7Y
June 5, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)<102020<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.2974.0N/AN/AN/AN/AN/AN/AOutgoingNE 6No
May 22, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)11111011111
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2670.0N/AN/AN/AN/AN/AN/AOutgoingW 6No
May 10, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)11101111111
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2665.0N/AN/AN/AN/AN/AN/AOutgoingS 2No
April 24, 2023
Sampling ID Numbers12345678910
Results (Enterococci MPN)1111111111
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0064.2N/AN/AN/AN/AN/AN/AOutgoingN 5-10 mphNo
August 24, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2682.4N/AN/AN/AN/AN/AN/AOutgoingE
5-10
No
August 17, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0080.9N/AN/AN/AN/AN/AN/AHighNW 5-10No
July 26, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2684.5N/AN/AN/AN/AN/AN/AOutgoingNW 1-5Yes
July 11, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)10<10101010<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.5182.1N/AN/AN/AN/AN/AN/AOutgoingNW 5-10No
June 21, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5875.7N/AN/AN/AN/AN/AN/AIncomingNE 5-10No
June 8, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1010<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2679.5N/AN/AN/AN/AN/AN/AIncomingNW 1-5Yes
May 25, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0071.4N/AN/AN/AN/AN/AN/AIncomingNW 10-15Yes
April 25, 2022
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2659.9N/AN/AN/AN/AN/AN/AIncomingW 9No
August 24, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2684.7N/AN/AN/AN/AN/AN/AOutgoingNW 0-5No
August 10, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<1010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5881.4N/AN/AN/AN/AN/AN/AHighS 5.10Yes
July 27, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0083.7N/AN/AN/AN/AN/AN/AHighSE 5-10No
July 14, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1010111111
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2685.3N/AN/AN/AN/AN/AN/AHighS 5-10No
June 22, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<103010<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.2377.6N/AN/AN/AN/AN/AN/ALowN 5-10Yes
June 9, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<1010<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2681.8N/AN/AN/AN/AN/AN/AOutgoingNW 1-5Yes
May 25, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1020<1010<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.1470.4N/AN/AN/AN/AN/AN/AOutgoingS 5-10Yes
May 11, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2663.5N/AN/AN/AN/AN/AN/AOutgoingW 10No
April 27, 2021
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0058.4N/AN/AN/AN/AN/AN/AHighSW 5-10No
September 15, 2020
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10101020<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.1473.4N/AN/AN/AN/AN/AN/ALowN 5-10No
July 21, 2020
Sampling ID Numbers12345678910
Results (Enterococci MPN)10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2689.7N/AN/AN/AN/AN/AN/AOutgoingSE 1-5No
July 7, 2020
Sampling ID Numbers12345678910
Results (Enterococci MPN)604503209505050<10<102030
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results40.6583.6N/AN/AN/AN/AN/AN/AHighSE 5-10Yes
June 22, 2020
Sampling ID Numbers,12345678910
Results (Enterococci MPN),<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2679.5N/AN/AN/AN/AN/AN/AHighSE 5-10Yes
June 2, 2020
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010101010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5870.0N/AN/AN/AN/AN/AN/ALowSW 5-10No
May 12, 2020
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<101010<1020<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.3354.8N/AN/AN/AN/AN/AN/AHighW 15No
September 10, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0076.1N/AN/AN/AN/AN/AN/AOutgoingSE 5-10No
August 28, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2677.8N/AN/AN/AN/AN/AN/AIncomingSE 0-5No
August 14, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2681.1N/AN/AN/AN/AN/AN/AOutgoingNE 0-5Yes
July 30, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0085.2N/AN/AN/AN/AN/AN/ALowSE 5-10Yes
July 16, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0085.5N/AN/AN/AN/AN/AN/AOutgoingSE 5-10No
June 25, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1020<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.3578.9N/AN/AN/AN/AN/AN/AIncomingNW 10Yes
June 13, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<103040<10100<101010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.1072.6N/AN/AN/AN/AN/AN/ALowNE 0-5Yes
May 29, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0078.1N/AN/AN/AN/AN/AN/ALowSW 10-15Yes
May 7, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0068.6N/AN/AN/AN/AN/AN/AHighS 0-5No
April 24, 2019
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0066.2N/AN/AN/AN/AN/AN/AIncomingW 10-15No
September 27, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1020301010<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results3.0070.80.8614.199.010.4246.425.0OutgoingNE 5-10Yes
September 11, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)20<1010501011010<10<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results8.0272.60.7894.108.080.3942.026.3HighNE 5-10Yes
August 28, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0082.30.6874.108.490.3352.129.4HighSW 0-5No
August 14, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10102080
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.6384.80.8664.378.080.4257.027.6OutgoingW 5-10Yes
July 19, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1010<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results181.93.684.577.901.9457.628.7IncomingN 0-5No
June 26, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1010<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2677.32.565.528.851.3267.526.2OutgoingSE 5-10No
June 12, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<106080<10<10<1010<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results3.70N/AN/AN/AN/AN/AN/AN/AOutgoingSE 5-10No
May 8, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0068.02.807.8210.441.4486.329.3IncomingNE 0-5No
April 25, 2018
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010203010<1010<1020<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.1058.02.818.239.891.4480.945.3LowN 0-5Yes
November 14, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1020<1020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.8248.19.749.139.125.3781.79.9LowN 
5-10
No
October 31, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)30<1010<10<1080<10180160100
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results12.1357.816.206.828.639.3670.520.5LowW 5-10No
October 11, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)10<10<10<10<10<10<10201020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.8975.213.295.458.617.6367.712.7LowE 5-10Yes
September 26, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<102010<10<1020<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.2977.610.605.078.665.9864.640.5HighE 5-10No
September 12, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0070.77.535.909.464.1568.115.4HighSE 0-5No
August 16, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<103090500
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.1680.03.414.778.461.7859.618.2HighW
0-5
Yes
August 2, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1010<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5882.13.075.609.501.6071.74.0LowSE
0-5
Yes
July 18, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0084.44.154.678.282.7061.420.8LowE
5-10
Yes
June 27, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0079.94.065.278.762.1466.023.3HighW
0-5
No
June 13, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0079.83.135.369.371.6367.340.4HighSE
5-10
No
May 30, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<106010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.9068.32.255.768.491.1463.361.4HighSE 5-10Yes
May 10, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10N/A<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0064.43.506.589.931.8269.132.5HighN 5-10No
May 4, 2017
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0065.23.356.2610.021.6966.079.9LowE
5-10
No
November 1, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2657.6017.7009.259.6310.30096.00N/AHighSE
5-10
No
October 18, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0066.6014.6008.798.798.410100.60N/AHighSE
5-10
No
September 20, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<1010<10<1010080<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results3.0976.6013.1906.388.387.58080.10N/AHighN
5-10
Yes
September 7, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0077.9010.5207.758.845.96098.20N/AHighNW
5-10
No
August 24, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0082.0011.2207.598.796.380100.70N/AHighSE
5-10
No
August 11, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0084.3010.5206.478.045.96087.70N/AHighS
5-10
No
July 27, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<1010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2386.6010.8705.567.566.18076.80N/ALowNW
5-10
No
July 13, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10101030
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.7781.509.7904.947.565.51064.50N/AHighN
5-10
Yes
June 15, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<1010<10<1010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5875.507.4606.737.464.10082.4018.8LowSE 0-5Yes
May 19, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0062.305.179.418.322.7798.4N/ALowNW
5-10
Yes
May 3, 2016
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<10<10<10<102020110
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.3060.904.1508.908.042.64010.6011.8LowN
5-10
Yes
October 21, 2015
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.00N/AN/AN/AN/AN/AN/AN/ALowS 0-5No
September 23, 2015
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<1020<1020<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.8271.18.1808.208.004.50096.50N/AHighNE
5-10
No
September 9, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)10<10<1010<10<10<101010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.5182.207.4307.007.794.11092.50N/AHighSE 5-10No
August 19, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)<10<10<1010<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2681.404.3907.057.802.34091.10N/AHighSE
10-15
No
August 12, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)<10<10<10<10<10<1010<10<1030
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.7778.303.5008.237.851.840102.00N/AHighSE
5-10
Yes
July 22, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)10<10<10<1010<10<101020<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.6983.003.1507.547.651.65097.60N/AHighSE
0-5
0.00"
July 8, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)<10<10<10<10<10<10<1010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5881.404.1107.347.603.18093.90N/AHighNE
0-5
0.00"
June 17, 2015
Sampling ID Numbers12345678910
 Results (Enterococci MPN)<10<1010<10<10<1010<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5882.305.4906.837.522.98088.30N/AHighSE
0-5
0.00"
June 10, 2015
Sampling ID Numbers12345678910
Results (Enterococci MPN)3020<10<10<10<1010202020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.8675.104.7709.317.733.540111.00N/AHighN
5-10
0.00"
May 20, 2015
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10101010202080
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results5.6374.50N/A13.807.60N/AN/AN/AHighNW
5-10
0.00"
May 5, 2015
Sampling ID Numbers12345678910
Results (Enterococci MPN)10<1020<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.7065.302.66013.909.141.360128.80N/AHighSE
0-5
0.00"
October 27, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2558.6012.9009.51N/A7.320105.70N/ALowS
5-10
0.00"
October 2, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0071.108.2408.68N/A4.550104.90N/AHighNE 
5-10
0.00"
September 2, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<1010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5881.804.8407.428.182.59096.80N/ALowSW 5-100.00"
August 14, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)10<10<1010<10<10<10<101040
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.8876.803.8606.329.852.01078.20N/AHighNW 0-50.00"
July 31, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2577.303.1606.348.341.65082.90N/AHighSE 0-50.00"
July 21, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2580.402.8406.478.921.47081.00N/ALowSE 5-100.00"
July 1, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2682.402.2805.638.731.17073.00N/AHighSE 10-150.00"
June 18, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2579.801.8305.908.720.92076.10N/AHighNW 10-150.00"
June 4, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10101020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.6975.101.3707.058.680.69085.20N/AHighNW 0-50.35"
May 27, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1010<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.2574.301.4806.728.480.74080.80N/AHighW 0-50.00"
May 6, 2014
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<1020<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.6962.401.66010.519.410.830110.20N/ALowSE
0-5
0.00"
November 26, 2013 - No water samples taken due to laboratory closure
November 13, 2013 - No water samples taken due to weather advisory
October 29, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<10<10<10<1010<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5854.2011.13012.129.516.230119.50N/ALowNE
5-10
0.00"
October 16, 2013 - No water samples taken due to boating equipment malfunction
September 17, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1010<10<1010<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.5871.107.8108.639.484.300103.10N/ALowN
15-20
0.03"
September 5, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.0079.106.6308.519.433.620109.80N/AHighNW
10-15
0.00"
August 22, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<1010<1010<1010<10<1010<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.5179.103.9007.729.532.060110.20N/AHighW
0-5
0.00"
July 10, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<1010<1030
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.7683.504.0306.339.472.14089.6061.4HighSW
0-5
0.00"
June 25, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<1030<10<10<10<10<10<10<10
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results1.4081.704.2506.739.272.26087.1079.1HighSW
0-5
0.00"
June 11, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)30201010<1011010340>2010>2010
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results49.6276.004.5507.279.192.42089.0027.8HighW
5-10
1.80"
May 29, 2013
Sampling ID Numbers12345678910
Results (Enterococci MPN)<10<10<10<10<10<10<102014020
 
Other ParametersGeo MeanTemp
º F
SpC
mS/cm
DO
mg/L
pHSalinity
PSS
DO
%
Turbidity
NTU
TideWindRain 24/hr
Results2.9870.004.8408.409.232.61097.7032.1HighS
0-5
0.00"

Explore Water Sampling

  • Program Details
  • Water Sampling Results
  • Alerts, Advisories and Closures

Contact Us

Environmental Health Services

Drumcastle Government Center
6401 York Road, Third Floor
Baltimore, Maryland 21212

Hours

Monday through Friday
8:30 a.m. to 4:30 p.m.

Email

ehs@baltimorecountymd.gov

Phone

410-887-FOOD (3663)

TTY

711
Image of the Baltimore County Seal
Baltimore County Government
400 Washington Avenue, Towson Maryland 21204(link is external)
BaltCoGo 311 Logo
Download now on:
  •   App Store (link is external)
  •   Google Play (link is external)

Find Information

  • Find a County Service
  • Phone Numbers
  • Report a Problem
  • Directions (link is external)

Policies

  • User Terms
  • Privacy
  • Reasonable Accommodation

Connect With Us

(link is external) (link is external) (link is external)

Translate

English العربية Français 한국어 Русский Español
© Copyright 2025 Baltimore County Government
Back to top