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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2022-08-01 → 2022-08-31 |
| MON | Monitoring | Resolved | 2022-08-01 → 2022-08-31 |
| MON | Monitoring | Resolved | 2022-08-01 → 2022-08-31 |
| MON | Monitoring | Resolved | 2022-08-01 → 2022-08-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MON | Monitoring | Resolved | 2022-07-01 → 2022-07-31 |
| MR | Monitoring | Resolved | 2015-10-01 |
| MR | Monitoring | Resolved | 2015-10-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 8.61 µg/L No EPA limit set
worst single sample: 10.8 µg/L | 67/67 | SYR4 | 2012–2019 |
| Chloroform | 21.5 µg/L No EPA limit set
worst single sample: 31.1 µg/L | 67/67 | SYR4 | 2012–2019 |
| TTHM | 49.06 µg/L 61% of the EPA limit 80 µg/L
worst single sample: 66.8 µg/L | 62/62 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 29.3 µg/L 49% of the EPA limit 60 µg/L
worst single sample: 38.8 µg/L | 61/62 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16.885 µg/L No EPA limit set
worst single sample: 20 µg/L | 60/67 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 20.51 µg/L No EPA limit set
worst single sample: 27.9 µg/L | 60/62 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 7.63 µg/L No EPA limit set
worst single sample: 10.9 µg/L | 60/62 | SYR4 | 2012–2019 |
| Copper | 767.5 µg/L 59% of the EPA limit 1300 µg/L
worst single sample: 1300 µg/L | 59/62 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.93 µg/L No EPA limit set
worst single sample: 4.8 µg/L | 43/62 | SYR4 | 2012–2019 |
| Lead | 8.985 µg/L 60% of the EPA limit 15 µg/L
worst single sample: 12.5 µg/L | 20/62 | SYR4 | 2012–2019 |
| Nitrate | 780 µg/L 7.8% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Cyanide | 166 µg/L 83% of the EPA limit 200 µg/L
worst single sample: 180 µg/L | 15/24 | SYR4 | 2014–2019 |
| Lead | 0.0018 mg/L 12% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2024 |
| Bromoform | 32.85 µg/L No EPA limit set
worst single sample: 33.9 µg/L | 7/67 | SYR4 | 2012–2019 |
| Atrazine | 0.2200 µg/L 7.3% of the EPA limit 3 µg/L | 5/8 | SYR4 | 2012–2019 |
| Simazine | 0.1280 µg/L 3.2% of the EPA limit 4 µg/L
worst single sample: 0.1300 µg/L | 5/8 | SYR4 | 2012–2019 |
| Barium | 105.32 µg/L 5.3% of the EPA limit 2000 µg/L
worst single sample: 110 µg/L | 3/3 | SYR4 | 2012–2019 |
| Fluoride | 417 µg/L 10% of the EPA limit 4000 µg/L
worst single sample: 420 µg/L | 3/3 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 774 µg/L 7.7% of the EPA limit 10000 µg/L
worst single sample: 800 µg/L | 3/3 | SYR4 | 2013–2019 |
| Lithium | 30.5 µg/L No EPA limit set | 3/4 | UCMR-5 | 2023 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2016 |
| Di(2-ethylhexyl) Phthalate | 0.8700 µg/L 14% of the EPA limit 6 µg/L | 1/8 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.2 pCi/L No EPA limit set | 1/1 | SYR4 | 2016 |
| Monochloroacetic Acid | 2.1 µg/L No EPA limit set | 1/62 | SYR4 | 2012–2019 |
| Nitrite | 20 µg/L 2% of the EPA limit 1000 µg/L | 1/3 | SYR4 | 2013–2019 |
81 contaminants tested, none detected
Utility contact
Frequently asked questions about Harris County Mud 370
Is Harris County Mud 370 tap water safe to drink?
EPA monitoring detected 28 contaminants in Harris County Mud 370'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 370's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Harris County Mud 370 serve?
Harris County Mud 370 reports serving 4,452 people in Texas, per its EPA record.
Has Harris County Mud 370 had any water quality violations?
The EPA has 14 violations on file for Harris County Mud 370, of which 0 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.