Washington Suburban Sanitary Commission Water System

MyTapWater.org's tap water quality report is the compilation of data collected from federal, state, and local government agencies, most prominently the EPA. We strive to populate the report with the latest data concerning water contaminants, lead and copper levels, and water quality violations. We only collect drinking water data from public water systems.

PWS Service Information
PWS ID: MD0150005
Type: Community water system
EPA Region: 03
Primary Service Area: Residential Area
Primary Source: Surface water
Population Served: 1,800,000
Contact Information
BEVERHOUDT, CLARENCE
BEVERHOUDT, CLARENCE
WSSC CONSOLIDATED LABORATORY
12245 TECH ROAD
SILVER SPRING, MD 20904-1969
[email protected]

This public water system services 1 county.

Summary Results


A summary view of tests in which a water contaminant found to exceed the Maximum Contaminant Level (MCL) set by the EPA.

Maximum Contaminant Levels Exceeded (by year):

Contaminant Detailed Results


This a view of violations of maximum contaminant levels. Use the expanded view see result data for a drinking water contaminant, the minimum level that can be recognized in a test (MRL), and upper limit that is considered healthy (HRL).

1-butanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 2 0.00 < 2
2018 2018-03-06 2 0.00 < 2

2-methoxyethanol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.4 0.00 < 0.4
2018 2018-03-06 0.4 0.00 < 0.4

2-propen-1-ol

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.5 0.00 < 0.5
2018 2018-03-06 0.5 0.00 < 0.5

alpha-hexachlorocyclohexane

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.01 0.00 < 0.01
2018 2018-03-06 0.01 0.00 < 0.01

chlorpyrifos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.03 0.00 < 0.03
2018 2018-03-06 0.03 0.00 < 0.03

dimethipin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.2 0.00 < 0.2
2018 2018-03-06 0.2 0.00 < 0.2

ethoprop

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.03 0.00 < 0.03
2018 2018-03-06 0.03 0.00 < 0.03

oxyfluorfen

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.05 0.00 < 0.05
2018 2018-03-06 0.05 0.00 < 0.05

profenofos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.3 0.00 < 0.3
2018 2018-03-06 0.3 0.00 < 0.3

tebuconazole

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.2 0.00 < 0.2
2018 2018-03-06 0.2 0.00 < 0.2

total permethrin

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.04 0.00 < 0.04
2018 2018-03-06 0.04 0.00 < 0.04

tribufos

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2018 2018-03-06 0.07 0.00 < 0.07
2018 2018-03-06 0.07 0.00 < 0.07

Other Water Contaminants Tested


The following contaminants were tested and found to be within national EPA guidelines.

Contaminant MRLMinimum Reporting Level HRLHealth Risk Limit Avg Result
chlorate 20 210 11.1875 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 20 210 < 20
2014 2014-04-15 20 210 < 20
2014 2014-04-14 20 210 < 20
2014 2014-04-14 20 210 < 20
2014 2014-01-21 20 210 < 20
2014 2014-01-21 20 210 25
2014 2014-01-21 20 210 44
2014 2014-01-21 20 210 < 20
2013 2013-10-21 20 210 < 20
2013 2013-10-21 20 210 40
2013 2013-10-21 20 210 < 20
2013 2013-10-21 20 210 < 20
2013 2013-07-16 20 210 < 20
2013 2013-07-16 20 210 24
2013 2013-07-15 20 210 46
2013 2013-07-15 20 210 < 20
chromium 0.2 100 0.0544 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 0.2 100 < 0.2
2014 2014-04-15 0.2 100 < 0.2
2014 2014-04-14 0.2 100 < 0.2
2014 2014-04-14 0.2 100 < 0.2
2014 2014-01-21 0.2 100 < 0.2
2014 2014-01-21 0.2 100 < 0.2
2014 2014-01-21 0.2 100 < 0.2
2014 2014-01-21 0.2 100 < 0.2
2013 2013-10-21 0.2 100 < 0.2
2013 2013-10-21 0.2 100 < 0.2
2013 2013-10-21 0.2 100 < 0.2
2013 2013-10-21 0.2 100 < 0.2
2013 2013-07-16 0.2 100 < 0.2
2013 2013-07-16 0.2 100 0.34
2013 2013-07-15 0.2 100 0.24
2013 2013-07-15 0.2 100 0.29
chromium-6 0.03 0 0.1114 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 0.03 0 0.11
2014 2014-04-15 0.03 0 0.17
2014 2014-04-14 0.03 0 0.14
2014 2014-04-14 0.03 0 0.054
2014 2014-01-21 0.03 0 0.075
2014 2014-01-21 0.03 0 0.13
2014 2014-01-21 0.03 0 0.096
2014 2014-01-21 0.03 0 < 0.03
2013 2013-10-21 0.03 0 0.1
2013 2013-10-21 0.03 0 0.2
2013 2013-10-21 0.03 0 0.14
2013 2013-10-21 0.03 0 0.032
2013 2013-07-16 0.03 0 0.12
2013 2013-07-16 0.03 0 0.21
2013 2013-07-15 0.03 0 0.16
2013 2013-07-15 0.03 0 0.046
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 1 70 < 1
2014 2014-04-15 1 70 < 1
2014 2014-04-14 1 70 < 1
2014 2014-04-14 1 70 < 1
2014 2014-01-21 1 70 < 1
2014 2014-01-21 1 70 < 1
2014 2014-01-21 1 70 < 1
2014 2014-01-21 1 70 < 1
2013 2013-10-21 1 70 < 1
2013 2013-10-21 1 70 < 1
2013 2013-10-21 1 70 < 1
2013 2013-10-21 1 70 < 1
2013 2013-07-16 1 70 < 1
2013 2013-07-16 1 70 < 1
2013 2013-07-15 1 70 < 1
2013 2013-07-15 1 70 < 1
molybdenum 1 40 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 1 40 < 1
2014 2014-04-15 1 40 < 1
2014 2014-04-14 1 40 < 1
2014 2014-04-14 1 40 < 1
2014 2014-01-21 1 40 < 1
2014 2014-01-21 1 40 < 1
2014 2014-01-21 1 40 < 1
2014 2014-01-21 1 40 < 1
2013 2013-10-21 1 40 < 1
2013 2013-10-21 1 40 < 1
2013 2013-10-21 1 40 < 1
2013 2013-10-21 1 40 < 1
2013 2013-07-16 1 40 < 1
2013 2013-07-16 1 40 < 1
2013 2013-07-15 1 40 < 1
2013 2013-07-15 1 40 < 1
strontium 0.3 1500 103.625 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 0.3 1500 88
2014 2014-04-15 0.3 1500 110
2014 2014-04-14 0.3 1500 120
2014 2014-04-14 0.3 1500 63
2014 2014-01-21 0.3 1500 76
2014 2014-01-21 0.3 1500 100
2014 2014-01-21 0.3 1500 120
2014 2014-01-21 0.3 1500 60
2013 2013-10-21 0.3 1500 82
2013 2013-10-21 0.3 1500 140
2013 2013-10-21 0.3 1500 160
2013 2013-10-21 0.3 1500 62
2013 2013-07-16 0.3 1500 75
2013 2013-07-16 0.3 1500 170
2013 2013-07-15 0.3 1500 170
2013 2013-07-15 0.3 1500 62
vanadium 0.2 21 0.1969 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-15 0.2 21 < 0.2
2014 2014-04-15 0.2 21 0.23
2014 2014-04-14 0.2 21 0.25
2014 2014-04-14 0.2 21 < 0.2
2014 2014-01-21 0.2 21 < 0.2
2014 2014-01-21 0.2 21 < 0.2
2014 2014-01-21 0.2 21 < 0.2
2014 2014-01-21 0.2 21 < 0.2
2013 2013-10-21 0.2 21 0.2
2013 2013-10-21 0.2 21 0.47
2013 2013-10-21 0.2 21 0.38
2013 2013-10-21 0.2 21 < 0.2
2013 2013-07-16 0.2 21 0.24
2013 2013-07-16 0.2 21 0.74
2013 2013-07-15 0.2 21 0.64
2013 2013-07-15 0.2 21 < 0.2
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.03 6.14 < 0.03
2014 2014-04-14 0.03 6.14 < 0.03
2014 2014-01-21 0.03 6.14 < 0.03
2014 2014-01-21 0.03 6.14 < 0.03
2013 2013-10-21 0.03 6.14 < 0.03
2013 2013-10-21 0.03 6.14 < 0.03
2013 2013-07-15 0.03 6.14 < 0.03
2013 2013-07-15 0.03 6.14 < 0.03
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.03 0.0004 < 0.03
2014 2014-04-14 0.03 0.0004 < 0.03
2014 2014-01-21 0.03 0.0004 < 0.03
2014 2014-01-21 0.03 0.0004 < 0.03
2013 2013-10-21 0.03 0.0004 < 0.03
2013 2013-10-21 0.03 0.0004 < 0.03
2013 2013-07-15 0.03 0.0004 < 0.03
2013 2013-07-15 0.03 0.0004 < 0.03
1,3-butadiene 0.1 0.0103 < 0.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.1 0.0103 < 0.1
2014 2014-04-14 0.1 0.0103 < 0.1
2014 2014-01-21 0.1 0.0103 < 0.1
2014 2014-01-21 0.1 0.0103 < 0.1
2013 2013-10-21 0.1 0.0103 < 0.1
2013 2013-10-21 0.1 0.0103 < 0.1
2013 2013-07-15 0.1 0.0103 < 0.1
2013 2013-07-15 0.1 0.0103 < 0.1
1,4-dioxane 0.07 0.35 < 0.07 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.07 0.35 < 0.07
2014 2014-04-14 0.07 0.35 < 0.07
2014 2014-01-21 0.07 0.35 < 0.07
2014 2014-01-21 0.07 0.35 < 0.07
2013 2013-10-21 0.07 0.35 < 0.07
2013 2013-10-21 0.07 0.35 < 0.07
2013 2013-07-15 0.07 0.35 < 0.07
2013 2013-07-15 0.07 0.35 < 0.07
17-alpha-ethynylestradiol 0.0009 0.035 < 0.0009 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.0009 0.035 < 0.0009
2014 2014-04-14 0.0009 0.035 < 0.0009
2014 2014-01-21 0.0009 0.035 < 0.0009
2014 2014-01-21 0.0009 0.035 < 0.0009
2013 2013-10-21 0.0009 0.035 < 0.0009
2013 2013-10-21 0.0009 0.035 < 0.0009
2013 2013-07-15 0.0009 0.035 < 0.0009
2013 2013-07-15 0.0009 0.035 < 0.0009
17-beta-estradiol 0.0004 0.0009 < 0.0004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.0004 0.0009 < 0.0004
2014 2014-04-14 0.0004 0.0009 < 0.0004
2014 2014-01-21 0.0004 0.0009 < 0.0004
2014 2014-01-21 0.0004 0.0009 < 0.0004
2013 2013-10-21 0.0004 0.0009 < 0.0004
2013 2013-10-21 0.0004 0.0009 < 0.0004
2013 2013-07-15 0.0004 0.0009 < 0.0004
2013 2013-07-15 0.0004 0.0009 < 0.0004
4-androstene-3,17-dione 0.0003 0 < 0.0003 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.0003 0 < 0.0003
2014 2014-04-14 0.0003 0 < 0.0003
2014 2014-01-21 0.0003 0 < 0.0003
2014 2014-01-21 0.0003 0 < 0.0003
2013 2013-10-21 0.0003 0 < 0.0003
2013 2013-10-21 0.0003 0 < 0.0003
2013 2013-07-15 0.0003 0 < 0.0003
2013 2013-07-15 0.0003 0 < 0.0003
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.2 140 < 0.2
2014 2014-04-14 0.2 140 < 0.2
2014 2014-01-21 0.2 140 < 0.2
2014 2014-01-21 0.2 140 < 0.2
2013 2013-10-21 0.2 140 < 0.2
2013 2013-10-21 0.2 140 < 0.2
2013 2013-07-15 0.2 140 < 0.2
2013 2013-07-15 0.2 140 < 0.2
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.2 2.69 < 0.2
2014 2014-04-14 0.2 2.69 < 0.2
2014 2014-01-21 0.2 2.69 < 0.2
2014 2014-01-21 0.2 2.69 < 0.2
2013 2013-10-21 0.2 2.69 < 0.2
2013 2013-10-21 0.2 2.69 < 0.2
2013 2013-07-15 0.2 2.69 < 0.2
2013 2013-07-15 0.2 2.69 < 0.2
equilin 0.004 0.35 < 0.004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.004 0.35 < 0.004
2014 2014-04-14 0.004 0.35 < 0.004
2014 2014-01-21 0.004 0.35 < 0.004
2014 2014-01-21 0.004 0.35 < 0.004
2013 2013-10-21 0.004 0.35 < 0.004
2013 2013-10-21 0.004 0.35 < 0.004
2013 2013-07-15 0.004 0.35 < 0.004
2013 2013-07-15 0.004 0.35 < 0.004
estriol 0.0008 0.35 < 0.0008 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.0008 0.35 < 0.0008
2014 2014-04-14 0.0008 0.35 < 0.0008
2014 2014-01-21 0.0008 0.35 < 0.0008
2014 2014-01-21 0.0008 0.35 < 0.0008
2013 2013-10-21 0.0008 0.35 < 0.0008
2013 2013-10-21 0.0008 0.35 < 0.0008
2013 2013-07-15 0.0008 0.35 < 0.0008
2013 2013-07-15 0.0008 0.35 < 0.0008
estrone 0.002 0.35 < 0.002 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.002 0.35 < 0.002
2014 2014-04-14 0.002 0.35 < 0.002
2014 2014-01-21 0.002 0.35 < 0.002
2014 2014-01-21 0.002 0.35 < 0.002
2013 2013-10-21 0.002 0.35 < 0.002
2013 2013-10-21 0.002 0.35 < 0.002
2013 2013-07-15 0.002 0.35 < 0.002
2013 2013-07-15 0.002 0.35 < 0.002
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.06 90 < 0.06
2014 2014-04-14 0.06 90 < 0.06
2014 2014-01-21 0.06 90 < 0.06
2014 2014-01-21 0.06 90 < 0.06
2013 2013-10-21 0.06 90 < 0.06
2013 2013-10-21 0.06 90 < 0.06
2013 2013-07-15 0.06 90 < 0.06
2013 2013-07-15 0.06 90 < 0.06
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.08 0 < 0.08
2014 2014-04-14 0.08 0 < 0.08
2014 2014-01-21 0.08 0 < 0.08
2014 2014-01-21 0.08 0 < 0.08
2013 2013-10-21 0.08 0 < 0.08
2013 2013-10-21 0.08 0 < 0.08
2013 2013-07-15 0.08 0 < 0.08
2013 2013-07-15 0.08 0 < 0.08
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.09 0 < 0.09
2014 2014-04-14 0.09 0 < 0.09
2014 2014-01-21 0.09 0 < 0.09
2014 2014-01-21 0.09 0 < 0.09
2013 2013-10-21 0.09 0 < 0.09
2013 2013-10-21 0.09 0 < 0.09
2013 2013-07-15 0.09 0 < 0.09
2013 2013-07-15 0.09 0 < 0.09
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.01 0 < 0.01
2014 2014-04-14 0.01 0 < 0.01
2014 2014-01-21 0.01 0 < 0.01
2014 2014-01-21 0.01 0 < 0.01
2013 2013-10-21 0.01 0 < 0.01
2013 2013-10-21 0.01 0 < 0.01
2013 2013-07-15 0.01 0 < 0.01
2013 2013-07-15 0.01 0 < 0.01
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.03 0 < 0.03
2014 2014-04-14 0.03 0 < 0.03
2014 2014-01-21 0.03 0 < 0.03
2014 2014-01-21 0.03 0 < 0.03
2013 2013-10-21 0.03 0 < 0.03
2013 2013-10-21 0.03 0 < 0.03
2013 2013-07-15 0.03 0 < 0.03
2013 2013-07-15 0.03 0 < 0.03
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.02 0 < 0.02
2014 2014-04-14 0.02 0 < 0.02
2014 2014-01-21 0.02 0 < 0.02
2014 2014-01-21 0.02 0 < 0.02
2013 2013-10-21 0.02 0 < 0.02
2013 2013-10-21 0.02 0 < 0.02
2013 2013-07-15 0.02 0 < 0.02
2013 2013-07-15 0.02 0 < 0.02
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.02 0.07 < 0.02
2014 2014-04-14 0.02 0.07 < 0.02
2014 2014-01-21 0.02 0.07 < 0.02
2014 2014-01-21 0.02 0.07 < 0.02
2013 2013-10-21 0.02 0.07 < 0.02
2013 2013-10-21 0.02 0.07 < 0.02
2013 2013-07-15 0.02 0.07 < 0.02
2013 2013-07-15 0.02 0.07 < 0.02
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.04 0.07 < 0.04
2014 2014-04-14 0.04 0.07 < 0.04
2014 2014-01-21 0.04 0.07 < 0.04
2014 2014-01-21 0.04 0.07 < 0.04
2013 2013-10-21 0.04 0.07 < 0.04
2013 2013-10-21 0.04 0.07 < 0.04
2013 2013-07-15 0.04 0.07 < 0.04
2013 2013-07-15 0.04 0.07 < 0.04
testosterone 0.0001 0 < 0.0001 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-04-14 0.0001 0 < 0.0001
2014 2014-04-14 0.0001 0 < 0.0001
2014 2014-01-21 0.0001 0 < 0.0001
2014 2014-01-21 0.0001 0 < 0.0001
2013 2013-10-21 0.0001 0 < 0.0001
2013 2013-10-21 0.0001 0 < 0.0001
2013 2013-07-15 0.0001 0 < 0.0001
2013 2013-07-15 0.0001 0 < 0.0001

Lead and Copper Data


Lead and copper are recorded separately from other contaminants because of the Lead and Copper Rule. As with all other results, these are the findings at the water supply level. Lead and copper can be — and often are — deposited in drinking water in between the water facility and your tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
MD243292 lead 2015-01-01 2017-12-31 0.00105mg/L
MD26346 lead 2012-01-01 2014-12-31 0.001mg/L
MD27945 lead 2009-01-01 2011-12-31 0mg/L
MD30718 lead 2006-01-01 2008-12-31 0.003mg/L

Violations


Known violations of the Safe Drinking Water Act as recorded by the EPA.

Compliance Dates Rule Violation Type Contaminant Name Status
2007-01-01 - 2007-01-31 Total Coliform Rule Monitoring, Routine Major (TCR) Coliform (TCR) Returned to Compliance
- N/A Lead and Copper Rule Initial Tap Sampling for Pb and Cu Lead and Copper Rule Returned to Compliance

Local Water Testing


Find a lab in your area so you can get your tap or well water tested. This list contains both governmental and private labs, all of which are EPA-certified for drinking water testing.

Unable to identify any nearby water testing labs near 20904-1969.

Water Bill Information


Convenient information about your water service.

Pay Your Water Bill

If you have an active account with Washington Suburban Sanitary Commission (WSSC) you can login and pay your bill on their website by clicking here. You can then pay your bill using a credit card, debit card, or direct deposit via your bank account. If you are paying for the first time you will need to use this link to create your online account.

Pay Without An Account

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Starting And Ending Service

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Consumer Confidence Report

Your water supply has a Consumer Confidence Report (CCR) availabe. This is an in-depth water quality dataset that all large water utilities have to provide to their customers. You can find it by clicking here.

What My Water Data Means


Water data isn't always easy to interpret, but by following the links on this page you should be able to have most of your questions answered. By clicking the name of a water contaminant or secondary substance you can learn about that specific substance. Ultimately this page should give you some insight towards learning if your water is safe, what water filter you should buy (if any), and how well your local water compares against other sources.

Sources


The origin of MyTapWater.org's water data is explained on our Data Sources page.

Why Is My Water Data Not More Recent?


The recency of the data for your ZIP code depends on the last your water source was tested, by a federal, state, or local agency. More information about the timing can be determined by learning about the dataset in question and seeing how often the EPA (other another governing body) mandated testing.