Public Water System: Tahlequah Pwa

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: OK1021701
Type: Community water system
EPA Region: 06
Primary Service Area: Residential Area
Primary Source: Surface water
Population Served: 14,458
Contact Information
TAHLEQUAH PWA
TAHLEQUAH PWA
Kelly Ross, Chairman
101 N. College
TAHLEQUAH, OK 74464

This public water system services 1 zip code in 1 municipality in 1 county.

Summary Results


A summary view of the the times a water contaminant was tested and found to exceed the level set by the EPA (the MCL).

Maximum Contaminant Levels Exceeded (by year):

2013   (1) 2014   (0) 2015   (0)
chlorate

Contaminant Detailed Results


This a view of violations of maximum contaminant levels. In the expanded view you can see each know test date for a given contaminant, the result of the test, the minimum level that can be recognized in a test (MRL), and upper limit that is considered healthy (HRL).

chlorate
Is this in your home's pipes?

Year Test Date MRL HRL Test Result
2013 2013-11-05 20 210 553
2013 2013-11-05 20 210 < 20
2013 2013-11-05 20 210 < 20
2013 2013-08-06 20 210 747
2013 2013-08-06 20 210 < 20
2013 2013-08-05 20 210 129
2013 2013-05-07 20 210 372
2013 2013-05-07 20 210 46.4
2013 2013-05-06 20 210 54.1
2013 2013-02-05 20 210 25.5
2013 2013-02-05 20 210 75.3
2013 2013-02-05 20 210 < 20

Other Water Contaminants Tested


The following contaminants were tested and within national EPA guidelines.

The last mile of pipe makes a big difference, learn more about testing your water.

Contaminant MRL HRL Avg Result
HCFC-22 0.08 0 < 0.08 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.08 0 < 0.08
2013 2013-11-05 0.08 0 < 0.08
2013 2013-08-06 0.08 0 < 0.08
2013 2013-08-05 0.08 0 < 0.08
2013 2013-05-07 0.08 0 < 0.08
2013 2013-05-07 0.08 0 < 0.08
2013 2013-02-05 0.08 0 < 0.08
2013 2013-02-05 0.08 0 < 0.08
1,4-dioxane 0.07 0.35 < 0.07 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-11-05 0.07 0.35 < 0.07
2013 2013-08-06 0.07 0.35 < 0.07
2013 2013-08-05 0.07 0.35 < 0.07
2013 2013-05-07 0.07 0.35 < 0.07
2013 2013-05-07 0.07 0.35 < 0.07
2013 2013-02-05 0.07 0.35 < 0.07
2013 2013-02-05 0.07 0.35 < 0.07
chloromethane 0.2 2.69 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.2 2.69 < 0.2
2013 2013-11-05 0.2 2.69 < 0.2
2013 2013-08-06 0.2 2.69 < 0.2
2013 2013-08-05 0.2 2.69 < 0.2
2013 2013-05-07 0.2 2.69 < 0.2
2013 2013-05-07 0.2 2.69 < 0.2
2013 2013-02-05 0.2 2.69 < 0.2
2013 2013-02-05 0.2 2.69 < 0.2
bromomethane 0.2 140 < 0.2 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.2 140 < 0.2
2013 2013-11-05 0.2 140 < 0.2
2013 2013-08-06 0.2 140 < 0.2
2013 2013-08-05 0.2 140 < 0.2
2013 2013-05-07 0.2 140 < 0.2
2013 2013-05-07 0.2 140 < 0.2
2013 2013-02-05 0.2 140 < 0.2
2013 2013-02-05 0.2 140 < 0.2
PFBS 0.09 0 < 0.09 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.09 0 < 0.09
2013 2013-11-05 0.09 0 < 0.09
2013 2013-08-06 0.09 0 < 0.09
2013 2013-08-05 0.09 0 < 0.09
2013 2013-05-07 0.09 0 < 0.09
2013 2013-05-07 0.09 0 < 0.09
2013 2013-02-05 0.09 0 < 0.09
2013 2013-02-05 0.09 0 < 0.09
vanadium 0.2 21 0.3468 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.2 21 0.254
2013 2013-11-05 0.2 21 0.242
2013 2013-11-05 0.2 21 0.323
2013 2013-08-06 0.2 21 0.602
2013 2013-08-06 0.2 21 1.01
2013 2013-08-05 0.2 21 0.907
2013 2013-05-07 0.2 21 0.291
2013 2013-05-07 0.2 21 0.268
2013 2013-05-06 0.2 21 0.264
2013 2013-02-05 0.2 21 < 0.2
2013 2013-02-05 0.2 21 < 0.2
2013 2013-02-05 0.2 21 < 0.2
Halon 1011 0.06 90 < 0.06 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.06 90 < 0.06
2013 2013-11-05 0.06 90 < 0.06
2013 2013-08-06 0.06 90 < 0.06
2013 2013-08-05 0.06 90 < 0.06
2013 2013-05-07 0.06 90 < 0.06
2013 2013-05-07 0.06 90 < 0.06
2013 2013-02-05 0.06 90 < 0.06
2013 2013-02-05 0.06 90 < 0.06
chromium-6 0.03 0 0.0648 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 0.067
2013 2013-08-06 0.03 0 0.0448
2013 2013-08-06 0.03 0 0.101
2013 2013-08-05 0.03 0 0.0842
2013 2013-05-07 0.03 0 0.0876
2013 2013-05-07 0.03 0 0.109
2013 2013-05-06 0.03 0 0.0614
2013 2013-02-05 0.03 0 0.0908
2013 2013-02-05 0.03 0 0.0337
2013 2013-02-05 0.03 0 0.0985
PFNA 0.02 0 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.02 0 < 0.02
2013 2013-11-05 0.02 0 < 0.02
2013 2013-08-06 0.02 0 < 0.02
2013 2013-08-05 0.02 0 < 0.02
2013 2013-05-07 0.02 0 < 0.02
2013 2013-05-07 0.02 0 < 0.02
2013 2013-02-05 0.02 0 < 0.02
2013 2013-02-05 0.02 0 < 0.02
PFHpA 0.01 0 < 0.01 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.01 0 < 0.01
2013 2013-11-05 0.01 0 < 0.01
2013 2013-08-06 0.01 0 < 0.01
2013 2013-08-05 0.01 0 < 0.01
2013 2013-05-07 0.01 0 < 0.01
2013 2013-05-07 0.01 0 < 0.01
2013 2013-02-05 0.01 0 < 0.01
2013 2013-02-05 0.01 0 < 0.01
molybdenum 1 40 0.1075 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-11-05 1 40 < 1
2013 2013-08-06 1 40 < 1
2013 2013-08-06 1 40 < 1
2013 2013-08-05 1 40 < 1
2013 2013-05-07 1 40 < 1
2013 2013-05-07 1 40 < 1
2013 2013-05-06 1 40 1.29
2013 2013-02-05 1 40 < 1
2013 2013-02-05 1 40 < 1
2013 2013-02-05 1 40 < 1
cobalt 1 70 < 1 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 1 70 < 1
2013 2013-11-05 1 70 < 1
2013 2013-11-05 1 70 < 1
2013 2013-08-06 1 70 < 1
2013 2013-08-06 1 70 < 1
2013 2013-08-05 1 70 < 1
2013 2013-05-07 1 70 < 1
2013 2013-05-07 1 70 < 1
2013 2013-05-06 1 70 < 1
2013 2013-02-05 1 70 < 1
2013 2013-02-05 1 70 < 1
2013 2013-02-05 1 70 < 1
1,2,3-trichloropropane 0.03 0.0004 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.03 0.0004 < 0.03
2013 2013-11-05 0.03 0.0004 < 0.03
2013 2013-08-06 0.03 0.0004 < 0.03
2013 2013-08-05 0.03 0.0004 < 0.03
2013 2013-05-07 0.03 0.0004 < 0.03
2013 2013-05-07 0.03 0.0004 < 0.03
2013 2013-02-05 0.03 0.0004 < 0.03
2013 2013-02-05 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
2013 2013-11-05 0.1 0.0103 < 0.1
2013 2013-11-05 0.1 0.0103 < 0.1
2013 2013-08-06 0.1 0.0103 < 0.1
2013 2013-08-05 0.1 0.0103 < 0.1
2013 2013-05-07 0.1 0.0103 < 0.1
2013 2013-05-07 0.1 0.0103 < 0.1
2013 2013-02-05 0.1 0.0103 < 0.1
2013 2013-02-05 0.1 0.0103 < 0.1
1,1-dichloroethane 0.03 6.14 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.03 6.14 < 0.03
2013 2013-11-05 0.03 6.14 < 0.03
2013 2013-08-06 0.03 6.14 < 0.03
2013 2013-08-05 0.03 6.14 < 0.03
2013 2013-05-07 0.03 6.14 < 0.03
2013 2013-05-07 0.03 6.14 < 0.03
2013 2013-02-05 0.03 6.14 < 0.03
2013 2013-02-05 0.03 6.14 < 0.03
chromium 0.2 100 0.0582 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.2 100 < 0.2
2013 2013-11-05 0.2 100 0.349
2013 2013-11-05 0.2 100 < 0.2
2013 2013-08-06 0.2 100 0.349
2013 2013-08-06 0.2 100 < 0.2
2013 2013-08-05 0.2 100 < 0.2
2013 2013-05-07 0.2 100 < 0.2
2013 2013-05-07 0.2 100 < 0.2
2013 2013-05-06 0.2 100 < 0.2
2013 2013-02-05 0.2 100 < 0.2
2013 2013-02-05 0.2 100 < 0.2
2013 2013-02-05 0.2 100 < 0.2
strontium 0.3 1500 55.875 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.3 1500 49.8
2013 2013-11-05 0.3 1500 56.6
2013 2013-11-05 0.3 1500 54.8
2013 2013-08-06 0.3 1500 43.1
2013 2013-08-06 0.3 1500 51.4
2013 2013-08-05 0.3 1500 49.9
2013 2013-05-07 0.3 1500 52.4
2013 2013-05-07 0.3 1500 59.8
2013 2013-05-06 0.3 1500 65.4
2013 2013-02-05 0.3 1500 61.9
2013 2013-02-05 0.3 1500 61.1
2013 2013-02-05 0.3 1500 64.3
PFOS 0.04 0.07 < 0.04 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.04 0.07 < 0.04
2013 2013-11-05 0.04 0.07 < 0.04
2013 2013-08-06 0.04 0.07 < 0.04
2013 2013-08-05 0.04 0.07 < 0.04
2013 2013-05-07 0.04 0.07 < 0.04
2013 2013-05-07 0.04 0.07 < 0.04
2013 2013-02-05 0.04 0.07 < 0.04
2013 2013-02-05 0.04 0.07 < 0.04
PFHxS 0.03 0 < 0.03 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.03 0 < 0.03
2013 2013-11-05 0.03 0 < 0.03
2013 2013-08-06 0.03 0 < 0.03
2013 2013-08-05 0.03 0 < 0.03
2013 2013-05-07 0.03 0 < 0.03
2013 2013-05-07 0.03 0 < 0.03
2013 2013-02-05 0.03 0 < 0.03
2013 2013-02-05 0.03 0 < 0.03
PFOA 0.02 0.07 < 0.02 [+] Expand Test Data
Year Test Date MRL HRL Test Result
2013 2013-11-05 0.02 0.07 < 0.02
2013 2013-11-05 0.02 0.07 < 0.02
2013 2013-08-06 0.02 0.07 < 0.02
2013 2013-08-05 0.02 0.07 < 0.02
2013 2013-05-07 0.02 0.07 < 0.02
2013 2013-05-07 0.02 0.07 < 0.02
2013 2013-02-05 0.02 0.07 < 0.02
2013 2013-02-05 0.02 0.07 < 0.02

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. Lead and copper can be — and often are — added to drinking water in between the water facility and a tap.

Sample ID Contaminant Sampling Start Date Sampling End Date Result
OK21947 lead 2015-01-01 2017-12-31 0mg/L
OK20930 lead 2014-01-01 2016-12-31 0mg/L
OK17109 lead 2013-01-01 2013-06-30 0mg/L
OK16936 lead 2012-07-01 2012-12-31 0mg/L
OK14915 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
2017-07-01 - 2017-09-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average TTHM Known
2017-07-01 - 2017-09-30 Stage 2 Disinfectants and Disinfection Byproducts Rule Maximum Contaminant Level Violation, Average Total Haloacetic Acids (HAA5) Known
2009-09-01 - 2009-09-30 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1999-10-01 - 1999-10-31 Surface Water Treatment Rule Monitoring of Treatment (SWTR-Filter) Surface Water Treatment Rule Returned to Compliance
1997-12-01 - 1997-12-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1997-04-01 - 1997-04-30 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Known
1996-06-01 - 1996-06-30 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1995-07-01 - 1995-07-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1995-06-01 - 1995-06-30 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1994-10-01 - 1994-10-31 Total Coliform Rule Maximum Contaminant Level Violation, Monthly (TCR) Coliform (TCR) Returned to Compliance
1994-02-01 - 1994-02-28 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Returned to Compliance
1993-11-01 - 1993-11-30 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Known
1993-08-01 - 1993-08-31 Surface Water Treatment Rule Treatment Technique (SWTR and GWR) Surface Water Treatment Rule Known
2014-02-01 - N/A Long Term 2 Enhanced Surface Water Treatment Rule Failure to Filter (SWTR) Long Term 2 Enhanced Surface Water Treatment Rule Returned to Compliance
2014-01-01 - N/A Long Term 2 Enhanced Surface Water Treatment Rule Failure to Filter (SWTR) Long Term 2 Enhanced Surface Water Treatment Rule Returned to Compliance

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.