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.
| Violation | Type | Status | Period |
|---|---|---|---|
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 190.15 µg/L 15% of the EPA limit 1300 µg/L
worst single sample: 256 µg/L | 42/44 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 4.9755 pCi/L 100% of the EPA limit 5 pCi/L
worst single sample: 5.7 pCi/L | 22/22 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 18 pCi/L 120% of the EPA limit, at the 95th percentile of samples — 15 pCi/L
worst single sample: 21.6 pCi/L | 21/22 | SYR4 | 2014–2019 |
| Nitrate | 880 µg/L 8.8% of the EPA limit 10000 µg/L | 20/32 | SYR4 | 2012–2019 |
| Lead | 0.00053 mg/L 3.6% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2023 |
| Gross Beta Particle Activity | 8.05 pCi/L No EPA limit set
worst single sample: 8.5 pCi/L | 10/23 | SYR4 | 2013–2019 |
| Chloroform | 19.65 µg/L No EPA limit set
worst single sample: 20 µg/L | 8/19 | SYR4 | 2013–2019 |
| Atrazine | 0.3010 µg/L 10% of the EPA limit 3 µg/L
worst single sample: 0.3400 µg/L | 7/11 | SYR4 | 2015–2019 |
| Bromodichloromethane | 10.275 µg/L No EPA limit set
worst single sample: 11 µg/L | 6/19 | SYR4 | 2013–2019 |
| Barium | 184.2 µg/L 9.2% of the EPA limit 2000 µg/L
worst single sample: 185 µg/L | 5/5 | SYR4 | 2014–2019 |
| Dibromochloromethane | 3.54 µg/L No EPA limit set
worst single sample: 3.9 µg/L | 5/19 | SYR4 | 2013–2019 |
| Fluoride | 440 µg/L 11% of the EPA limit 4000 µg/L
worst single sample: 470 µg/L | 4/4 | SYR4 | 2014–2017 |
| Lead | 3.51 µg/L 23% of the EPA limit 15 µg/L
worst single sample: 3.6 µg/L | 4/44 | SYR4 | 2014–2017 |
| Simazine | 0.1585 µg/L 4% of the EPA limit 4 µg/L
worst single sample: 0.1600 µg/L | 4/11 | SYR4 | 2015–2019 |
| Lithium | 20.7 µg/L No EPA limit set | 4/8 | UCMR-5 | 2024 |
| Bromoform | 2.24 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 3/19 | SYR4 | 2013–2019 |
| Cyanide | 125 µg/L 63% of the EPA limit 200 µg/L
worst single sample: 130 µg/L | 3/4 | SYR4 | 2014–2017 |
| Nitrate-Nitrite | 852 µg/L 8.5% of the EPA limit 10000 µg/L
worst single sample: 880 µg/L | 3/6 | SYR4 | 2012–2015 |
| TTHM | 6.15 µg/L 7.7% of the EPA limit 80 µg/L
worst single sample: 6.5 µg/L | 3/7 | SYR4 | 2013–2019 |
| Arsenic | 3.89 µg/L 39% of the EPA limit 10 µg/L
worst single sample: 3.9 µg/L | 2/5 | SYR4 | 2014–2019 |
| Nitrite | 10 µg/L 1% of the EPA limit 1000 µg/L | 1/6 | SYR4 | 2012–2015 |
| Xylenes, Total | 0.6000 µg/L 0% of the EPA limit 10000 µg/L | 1/12 | SYR4 | 2014–2019 |
84 contaminants tested, none detected
Utility contact
Frequently asked questions about Harris County Mud 238
Is Harris County Mud 238 tap water safe to drink?
EPA monitoring detected 25 contaminants in Harris County Mud 238'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 Harris County Mud 238's water?
EPA monitoring detected Copper, Combined Radium (-226 And -228), Gross Alpha, Excl. Radon And U, Nitrate, Lead, and others. The full list with the level and data source for each is above.
How many people does Harris County Mud 238 serve?
Harris County Mud 238 reports serving 7,773 people in Texas, per its EPA record.
Has Harris County Mud 238 had any water quality violations?
The EPA has 42 violations on file for Harris County Mud 238, of which 33 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.