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.
0
health-based violations
40
violations on file
1
still open
| Violation | Type | Status | Period |
|---|---|---|---|
| Other | Monitoring | Unaddressed | 2026-04-23 |
| MR | Monitoring | Resolved | 2025-12-30 |
| MR | Monitoring | Resolved | 2025-12-30 |
| MR | Monitoring | Resolved | 2024-10-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-10-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-10-01 → 2024-12-31 |
| Other | Monitoring | Resolved | 2024-01-01 |
| Other | Monitoring | Resolved | 2024-01-01 |
| MON | Monitoring | Resolved | 2022-12-01 → 2022-12-31 |
| MON | Monitoring | Resolved | 2022-12-01 → 2022-12-31 |
PFAS detected
PFAS are industrial “forever chemicals”. These are the EPA's latest
nationwide test results (2023–2025).
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 95th percentile of this
system's samples — over 100% is worth reading, but is not by itself a
violation. Where a single sample came in higher than that percentile, it
is noted under the bar. Formal violations are listed separately.
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 225.5 µg/L 17% of the EPA limit 1300 µg/L
worst single sample: 320 µg/L | 64/66 | SYR4 | 2013–2019 |
| Nitrate | 741.05 µg/L 7.4% of the EPA limit 10000 µg/L
worst single sample: 756 µg/L | 62/84 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.0025 µg/L No EPA limit set
worst single sample: 20.52 µg/L | 50/91 | SYR4 | 2012–2019 |
| Bromodichloromethane | 11.41 µg/L No EPA limit set
worst single sample: 21.84 µg/L | 47/91 | SYR4 | 2012–2019 |
| Chloroform | 12.64 µg/L No EPA limit set
worst single sample: 16.3 µg/L | 45/91 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 12.53 µg/L 21% of the EPA limit 60 µg/L
worst single sample: 36.7 µg/L | 44/62 | SYR4 | 2012–2019 |
| Bromoform | 4.82 µg/L No EPA limit set
worst single sample: 7.93 µg/L | 41/91 | SYR4 | 2012–2019 |
| TTHM | 29.029 µg/L 36% of the EPA limit 80 µg/L
worst single sample: 33 µg/L | 39/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 6.335 µg/L No EPA limit set
worst single sample: 18.9 µg/L | 32/62 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.1 µg/L No EPA limit set
worst single sample: 4.8 µg/L | 31/62 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 697.9 µg/L 7% of the EPA limit 10000 µg/L
worst single sample: 756 µg/L | 15/17 | SYR4 | 2012–2015 |
| Monochloroacetic Acid | 4.3 µg/L No EPA limit set | 14/62 | SYR4 | 2012–2019 |
| Lead | 0.0011 mg/L 7.7% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Trichloroacetic Acid | 9.16 µg/L No EPA limit set
worst single sample: 17.8 µg/L | 13/62 | SYR4 | 2012–2019 |
| Lithium | 46.9 µg/L No EPA limit set | 13/16 | UCMR-5 | 2024 |
| Atrazine | 0.2735 µg/L 9.1% of the EPA limit 3 µg/L
worst single sample: 0.2900 µg/L | 12/27 | SYR4 | 2012–2019 |
| Barium | 63 µg/L 3.2% of the EPA limit 2000 µg/L | 11/11 | SYR4 | 2013–2019 |
| Fluoride | 1505 µg/L 38% of the EPA limit 4000 µg/L
worst single sample: 1520 µg/L | 11/11 | SYR4 | 2014–2019 |
| Lead | 4.4355 µg/L 30% of the EPA limit 15 µg/L
worst single sample: 4.8 µg/L | 10/66 | SYR4 | 2013–2019 |
| Cyanide | 143.5 µg/L 72% of the EPA limit 200 µg/L
worst single sample: 144 µg/L | 6/11 | SYR4 | 2014–2019 |
| Chromium | 5.9225 µg/L 5.9% of the EPA limit 100 µg/L
worst single sample: 6.03 µg/L | 6/11 | SYR4 | 2013–2019 |
| Simazine | 0.1925 µg/L 4.8% of the EPA limit 4 µg/L
worst single sample: 0.2100 µg/L | 6/27 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.925 pCi/L 39% of the EPA limit 5 pCi/L
worst single sample: 2 pCi/L | 4/4 | SYR4 | 2013–2016 |
| Monobromoacetic Acid | 1.55 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 3/62 | SYR4 | 2012–2019 |
| Nitrite | 418.8 µg/L 42% of the EPA limit 1000 µg/L
worst single sample: 450 µg/L | 3/18 | SYR4 | 2012–2016 |
| Selenium | 1.7885 µg/L 3.6% of the EPA limit 50 µg/L
worst single sample: 1.8 µg/L | 2/11 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 4.5 pCi/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
| Thallium, Total | 0.2250 µg/L 11% of the EPA limit 2 µg/L | 1/11 | SYR4 | 2013–2019 |
| Xylenes, Total | 0.7600 µg/L 0% of the EPA limit 10000 µg/L | 1/29 | SYR4 | 2012–2019 |
74 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, TotalArsenicAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneGross Alpha, Excl. Radon And UHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfdaPfdoaPfeesaPfhpaPfhpsPfmbaPfmpaPFNAPFOAPFOSPfpesPftaPftrdaPfunaPentachlorophenolPicloramStyreneTetrachloroethyleneTolueneToxapheneTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene
Utility contact
Frequently asked questions about Cross Timbers Wsc
Is Cross Timbers Wsc tap water safe to drink?
EPA monitoring detected 35 contaminants in Cross Timbers 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 Cross Timbers Wsc's water?
EPA monitoring detected Copper, Nitrate, Dibromochloromethane, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Cross Timbers Wsc serve?
Cross Timbers Wsc reports serving 8,751 people in Texas, per its EPA record.
Has Cross Timbers Wsc had any water quality violations?
The EPA has 40 violations on file for Cross Timbers Wsc, of which 0 are health-based (a contaminant limit or required treatment was breached) and 1 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.