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Tap water quality report

Mccoy Wsc

EPA monitoring tested this supplier for 109 contaminants and detected 21. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

109
contaminants tested
21
detected
9,621
people served
20
health-based violations
Texas rankingsLead in TexasPFAS in Texas
Water source
Ground water
Ownership
Local government
Counties served
Atascosa

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

20
health-based violations
55
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2012-06-01 → 2012-06-30
MCL Health-based Resolved 2012-06-01 → 2012-06-30
MCL Health-based Resolved 2012-06-01 → 2012-06-30
MCL Health-based Resolved 2012-06-01 → 2012-06-30
MCL Health-based Resolved 2011-08-01 → 2011-08-31
MCL Health-based Resolved 2011-08-01 → 2011-08-31
MCL Health-based Resolved 2011-08-01 → 2011-08-31
MCL Health-based Resolved 2011-08-01 → 2011-08-31
MCL Health-based Resolved 2007-09-01 → 2007-09-30
MCL Health-based Resolved 2007-09-01 → 2007-09-30

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
6:2 Fts 0.1190 µg/L 1/8 2024

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Copper
688 µg/L 53%
of the EPA limit 1300 µg/L
 42/45 SYR4 2014–2017
Bromoform
78.1 µg/L
No EPA limit set
 38/41 SYR4 2013–2019
Dibromochloromethane
13.9 µg/L
No EPA limit set
 38/41 SYR4 2013–2019
Bromodichloromethane
3 µg/L
No EPA limit set
 28/41 SYR4 2013–2019
TTHM
88.1 µg/L 110%
of the EPA limit, in the worst sample — 80 µg/L
 26/26 SYR4 2013–2019
Dibromoacetic Acid
7.8 µg/L
No EPA limit set
 25/26 SYR4 2013–2019
Total Haloacetic Acids (HAA5)
7.8 µg/L 13%
of the EPA limit 60 µg/L
 25/26 SYR4 2013–2019
Nitrate
50 µg/L 0.5%
of the EPA limit 10000 µg/L
 24/48 SYR4 2012–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 16/16 LCR 2023
Lead
4.3 µg/L 29%
of the EPA limit 15 µg/L
 9/45 SYR4 2014–2017
Lithium
62.2 µg/L
No EPA limit set
 8/8 UCMR-5 2024
Combined Radium (-226 And -228)
3.34 pCi/L 67%
of the EPA limit 5 pCi/L
 7/7 SYR4 2013–2019
Barium
126 µg/L 6.3%
of the EPA limit 2000 µg/L
 6/6 SYR4 2014–2019
Fluoride
620 µg/L 16%
of the EPA limit 4000 µg/L
 6/6 SYR4 2014–2017
Gross Beta Particle Activity
9.9 pCi/L
No EPA limit set
 6/7 SYR4 2013–2019
Nitrate-Nitrite
40 µg/L 0.4%
of the EPA limit 10000 µg/L
 3/12 SYR4 2012–2019
Xylenes, Total
2.9 µg/L 0%
of the EPA limit 10000 µg/L
 3/15 SYR4 2015–2019
Selenium
4.8 µg/L 9.6%
of the EPA limit 50 µg/L
 2/6 SYR4 2014–2019
Arsenic
3.3 µg/L 33%
of the EPA limit 10 µg/L
 1/6 SYR4 2014–2019
Gross Alpha, Excl. Radon And U
3.6 pCi/L 24%
of the EPA limit 15 pCi/L
 1/5 SYR4 2016–2019
88 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChloroformChromiumCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDichloroacetic AcidDinosebEthylene DibromideEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroacetic AcidTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
LUTHRINGER, CLAYTON
Phone
830-569-5575
Email
claytonluthringer@yahoo.com

Frequently asked questions about Mccoy Wsc

Is Mccoy Wsc tap water safe to drink?

EPA monitoring detected 21 contaminants in Mccoy Wsc's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Mccoy Wsc's water?

EPA monitoring detected Copper, Bromoform, Dibromochloromethane, Bromodichloromethane, TTHM, and others. The full list with the level and data source for each is above.

How many people does Mccoy Wsc serve?

Mccoy Wsc reports serving 9,621 people in Texas, per its EPA record.

Has Mccoy Wsc had any water quality violations?

The EPA has 55 violations on file for Mccoy Wsc, of which 20 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.