El Reno 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: OK2000902
Type: Community water system
EPA Region: 06
Primary Service Area: Residential Area
Primary Source: Surface water purchased
Population Served: 16,212 		Contact Information
EL RENO
EL RENO
Josh Neaves, Water Superintendent
P.O. BOX Drawer 700
EL RENO, OK 73036
[email protected]

This public water system services 1 municipality in 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):

2013   (0) 2014   (1) 2015   (0) 2016   (0) 2017   (0) 2018   (0)
chlorate

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).

chlorate

Year Test Date MRLMinimum Reporting Level HRLHealth Risk Limit Test Result
2014 2014-08-12 20 210 < 20
2014 2014-08-12 20 210 < 20
2014 2014-05-06 20 210 < 20
2014 2014-05-06 20 210 < 20
2014 2014-02-03 20 210 248
2014 2014-02-03 20 210 < 20
2013 2013-11-04 20 210 < 20
2013 2013-11-04 20 210 < 20

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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
chromium 0.2 100 1.4194 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-09-10 0.2 100 0.709
2014 2014-09-10 0.2 100 0.686
2014 2014-05-06 0.2 100 1.82
2014 2014-05-06 0.2 100 1.74
2014 2014-02-03 0.2 100 1.68
2014 2014-02-03 0.2 100 1.6
2013 2013-11-04 0.2 100 1.56
2013 2013-11-04 0.2 100 1.56
[+] Expand Test Data
chromium-6 0.03 0 1.2213 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.03 0 1.16
2014 2014-08-12 0.03 0 1.19
2014 2014-05-06 0.03 0 1.26
2014 2014-05-06 0.03 0 1.31
2014 2014-02-03 0.03 0 1.22
2014 2014-02-03 0.03 0 1.19
2013 2013-11-04 0.03 0 1.21
2013 2013-11-04 0.03 0 1.23
[+] Expand Test Data
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-09-10 1 70 < 1
2014 2014-09-10 1 70 < 1
2014 2014-05-06 1 70 < 1
2014 2014-05-06 1 70 < 1
2014 2014-02-03 1 70 < 1
2014 2014-02-03 1 70 < 1
2013 2013-11-04 1 70 < 1
2013 2013-11-04 1 70 < 1
[+] Expand Test Data
molybdenum 1 40 5.9763 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-09-10 1 40 5.84
2014 2014-09-10 1 40 5.89
2014 2014-05-06 1 40 6.65
2014 2014-05-06 1 40 6.23
2014 2014-02-03 1 40 6.15
2014 2014-02-03 1 40 6.08
2013 2013-11-04 1 40 5.5
2013 2013-11-04 1 40 5.47
[+] Expand Test Data
strontium 0.3 1500 536.8875 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-09-10 0.3 1500 587
2014 2014-09-10 0.3 1500 587
2014 2014-05-06 0.3 1500 21.1
2014 2014-05-06 0.3 1500 540
2014 2014-02-03 0.3 1500 653
2014 2014-02-03 0.3 1500 680
2013 2013-11-04 0.3 1500 617
2013 2013-11-04 0.3 1500 610
[+] Expand Test Data
vanadium 0.2 21 3.6163 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-09-10 0.2 21 4.03
2014 2014-09-10 0.2 21 4.04
2014 2014-05-06 0.2 21 3.38
2014 2014-05-06 0.2 21 3.37
2014 2014-02-03 0.2 21 4.33
2014 2014-02-03 0.2 21 4.26
2013 2013-11-04 0.2 21 2.76
2013 2013-11-04 0.2 21 2.76
[+] Expand Test Data
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.03 6.14 < 0.03
2014 2014-05-06 0.03 6.14 < 0.03
2014 2014-02-03 0.03 6.14 < 0.03
2013 2013-11-04 0.03 6.14 < 0.03
[+] Expand Test Data
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.03 0.0004 < 0.03
2014 2014-05-06 0.03 0.0004 < 0.03
2014 2014-02-03 0.03 0.0004 < 0.03
2013 2013-11-04 0.03 0.0004 < 0.03
[+] Expand Test Data
1,3-butadiene 0.1 0.0103 < 0.1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.1 0.0103 < 0.1
2014 2014-05-06 0.1 0.0103 < 0.1
2014 2014-02-03 0.1 0.0103 < 0.1
2013 2013-11-04 0.1 0.0103 < 0.1
[+] Expand Test Data
1,4-dioxane 0.07 0.35 < 0.07 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.07 0.35 < 0.07
2014 2014-05-06 0.07 0.35 < 0.07
2014 2014-02-03 0.07 0.35 < 0.07
2013 2013-11-04 0.07 0.35 < 0.07
[+] Expand Test Data
17-alpha-ethynylestradiol 0.0009 0.035 < 0.0009 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.0009 0.035 < 0.0009
2014 2014-05-06 0.0009 0.035 < 0.0009
2014 2014-02-03 0.0009 0.035 < 0.0009
2013 2013-11-04 0.0009 0.035 < 0.0009
[+] Expand Test Data
17-beta-estradiol 0.0004 0.0009 < 0.0004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.0004 0.0009 < 0.0004
2014 2014-05-06 0.0004 0.0009 < 0.0004
2014 2014-02-03 0.0004 0.0009 < 0.0004
2013 2013-11-04 0.0004 0.0009 < 0.0004
[+] Expand Test Data
4-androstene-3,17-dione 0.0003 0 < 0.0003 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.0003 0 < 0.0003
2014 2014-05-06 0.0003 0 < 0.0003
2014 2014-02-03 0.0003 0 < 0.0003
2013 2013-11-04 0.0003 0 < 0.0003
[+] Expand Test Data
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.2 140 < 0.2
2014 2014-05-06 0.2 140 < 0.2
2014 2014-02-03 0.2 140 < 0.2
2013 2013-11-04 0.2 140 < 0.2
[+] Expand Test Data
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.2 2.69 < 0.2
2014 2014-05-06 0.2 2.69 < 0.2
2014 2014-02-03 0.2 2.69 < 0.2
2013 2013-11-04 0.2 2.69 < 0.2
[+] Expand Test Data
equilin 0.004 0.35 < 0.004 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.004 0.35 < 0.004
2014 2014-05-06 0.004 0.35 < 0.004
2014 2014-02-03 0.004 0.35 < 0.004
2013 2013-11-04 0.004 0.35 < 0.004
[+] Expand Test Data
estriol 0.0008 0.35 < 0.0008 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.0008 0.35 < 0.0008
2014 2014-05-06 0.0008 0.35 < 0.0008
2014 2014-02-03 0.0008 0.35 < 0.0008
2013 2013-11-04 0.0008 0.35 < 0.0008
[+] Expand Test Data
estrone 0.002 0.35 < 0.002 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.002 0.35 < 0.002
2014 2014-05-06 0.002 0.35 < 0.002
2014 2014-02-03 0.002 0.35 < 0.002
2013 2013-11-04 0.002 0.35 < 0.002
[+] Expand Test Data
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.06 90 < 0.06
2014 2014-05-06 0.06 90 < 0.06
2014 2014-02-03 0.06 90 < 0.06
2013 2013-11-04 0.06 90 < 0.06
[+] Expand Test Data
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.08 0 < 0.08
2014 2014-05-06 0.08 0 < 0.08
2014 2014-02-03 0.08 0 < 0.08
2013 2013-11-04 0.08 0 < 0.08
[+] Expand Test Data
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.09 0 < 0.09
2014 2014-05-06 0.09 0 < 0.09
2014 2014-02-03 0.09 0 < 0.09
2013 2013-11-04 0.09 0 < 0.09
[+] Expand Test Data
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.01 0 < 0.01
2014 2014-05-06 0.01 0 < 0.01
2014 2014-02-03 0.01 0 < 0.01
2013 2013-11-04 0.01 0 < 0.01
[+] Expand Test Data
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.03 0 < 0.03
2014 2014-05-06 0.03 0 < 0.03
2014 2014-02-03 0.03 0 < 0.03
2013 2013-11-04 0.03 0 < 0.03
[+] Expand Test Data
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.02 0 < 0.02
2014 2014-05-06 0.02 0 < 0.02
2014 2014-02-03 0.02 0 < 0.02
2013 2013-11-04 0.02 0 < 0.02
[+] Expand Test Data
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.02 0.07 < 0.02
2014 2014-05-06 0.02 0.07 < 0.02
2014 2014-02-03 0.02 0.07 < 0.02
2013 2013-11-04 0.02 0.07 < 0.02
[+] Expand Test Data
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.04 0.07 < 0.04
2014 2014-05-06 0.04 0.07 < 0.04
2014 2014-02-03 0.04 0.07 < 0.04
2013 2013-11-04 0.04 0.07 < 0.04
[+] Expand Test Data
testosterone 0.0001 0 < 0.0001 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2014 2014-08-12 0.0001 0 < 0.0001
2014 2014-05-06 0.0001 0 < 0.0001
2014 2014-02-03 0.0001 0 < 0.0001
2013 2013-11-04 0.0001 0 < 0.0001
[+] Expand Test Data

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
OK21751 lead 2014-01-01 2016-12-31 0mg/L
OK17657 lead 2011-01-01 2013-12-31 0mg/L
OK14971 lead 2008-01-01 2010-12-31 0mg/L

Violations

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

Compliance Dates Rule Violation Type Contaminant Name Status
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Chromium Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Cadmium Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Beryllium, Total Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Barium Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Thallium, Total Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Antimony, Total Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Selenium Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Fluoride Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Mercury Known
2016-01-01 - 2016-12-31 Inorganic Chemicals Monitoring, Regular Nickel Known
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,1-Dichloroethylene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Ethylbenzene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,1,1-Trichloroethane Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,1,2-Trichloroethane Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,2-Dichloroethane Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,2-Dichloropropane Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular 1,2,4-Trichlorobenzene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Benzene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Carbon tetrachloride Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular CHLOROBENZENE Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular cis-1,2-Dichloroethylene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular o-Dichlorobenzene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular p-Dichlorobenzene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Styrene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Tetrachloroethylene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Toluene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular trans-1,2-Dichloroethylene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Trichloroethylene Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Vinyl chloride Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular Xylenes, Total Returned to Compliance
2015-07-01 - 2015-09-30 Volatile Organic Chemicals Monitoring, Regular DICHLOROMETHANE Returned to Compliance
2014-07-01 - 2014-09-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2014-04-01 - 2014-06-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2014-01-01 - 2014-03-31 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2013-12-01 - 2014-02-28 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring and Reporting (DBP) Total Haloacetic Acids (HAA5) Known
2013-12-01 - 2014-02-28 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring and Reporting (DBP) TTHM Known
2013-10-01 - 2013-12-31 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2011-11-01 - 2011-11-30 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
2010-08-01 - 2010-08-31 Total Coliform Rule Monitoring, Routine Major (TCR) Coliform (TCR) Returned to Compliance
2008-10-01 - 2008-11-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) TTHM Returned to Compliance
2008-10-01 - 2008-11-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) Total Haloacetic Acids (HAA5) Returned to Compliance
2008-01-01 - 2008-03-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2007-12-01 - 2008-01-31 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) TTHM Returned to Compliance
2007-12-01 - 2008-01-31 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) Total Haloacetic Acids (HAA5) Returned to Compliance
2007-10-01 - 2007-11-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) TTHM Returned to Compliance
2007-10-01 - 2007-11-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Monitoring, Routine (IDSE) Total Haloacetic Acids (HAA5) Returned to Compliance
2006-04-01 - 2006-06-30 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2006-01-01 - 2006-03-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Monitoring and Reporting (DBP) CARBON, TOTAL Known
2006-01-01 - 2006-03-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2005-10-01 - 2005-12-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2005-07-01 - 2005-09-30 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2004-07-01 - 2004-09-30 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2003-10-01 - 2003-12-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2003-07-01 - 2003-09-30 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2003-04-01 - 2003-06-30 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2003-05-01 - 2003-05-31 Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
2003-04-01 - 2003-04-30 Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
2003-01-01 - 2003-03-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2002-10-01 - 2002-12-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2002-10-01 - 2002-12-31 Stage 1 Disinfectants and Disinfection Byproducts Rule Monitoring and Reporting (DBP) CARBON, TOTAL Returned to Compliance
2001-10-01 - 2001-10-31 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2001-09-01 - 2001-09-30 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2001-08-01 - 2001-08-31 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2001-07-01 - 2001-07-31 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2001-06-01 - 2001-06-30 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2001-01-01 - 2001-01-31 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
2000-07-01 - 2000-09-30 Total Trihalomethanes Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
2000-01-01 - 2000-03-31 Total Trihalomethanes Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
- N/A Total Coliform Rule Monitoring, Routine Minor (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
- N/A Total Trihalomethanes Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
- N/A Total Trihalomethanes Maximum Contaminant Level Violation, Average TTHM Returned to Compliance
- N/A Total Trihalomethanes Maximum Contaminant Level Violation, Average TTHM 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.

Lab Location Zip Code
OKLAHOMA STATE ENVIRONMENTAL LABORATORY SERVICES OKLAHOMA CITY, OK 73102

Water Bill Information

Convenient information about your water service.

Unable to identify any billing information about El Reno (OK2000902).

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.