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 | 2011-05-01 → 2011-05-31 |
| MCL | Health-based | Resolved | 2011-05-01 → 2011-05-31 |
| MCL | Health-based | Resolved | 2011-05-01 → 2011-05-31 |
| MCL | Health-based | Resolved | 2011-05-01 → 2011-05-31 |
| MCL | Health-based | Archived | 1991-08-01 → 1991-08-31 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| Other | Monitoring | Resolved | 2022-12-19 |
| Other | Monitoring | Resolved | 2022-12-19 |
| MON | Monitoring | Resolved | 2022-01-01 → 2022-01-31 |
| MON | Monitoring | Resolved | 2022-01-01 → 2022-01-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromoform | 15.08 µg/L No EPA limit set
worst single sample: 23.7 µg/L | 225/234 | SYR4 | 2012–2019 |
| TTHM | 96.72 µg/L 121% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 125 µg/L | 225/234 | SYR4 | 2012–2019 |
| Dibromochloromethane | 35.52 µg/L No EPA limit set
worst single sample: 46.2 µg/L | 212/234 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 31.55 µg/L 53% of the EPA limit 60 µg/L
worst single sample: 48.2 µg/L | 175/234 | SYR4 | 2012–2019 |
| Copper | 430 µg/L 33% of the EPA limit 1300 µg/L
worst single sample: 820 µg/L | 152/157 | SYR4 | 2015–2018 |
| Bromodichloromethane | 31.585 µg/L No EPA limit set
worst single sample: 42.1 µg/L | 144/234 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 11.67 µg/L No EPA limit set
worst single sample: 16.9 µg/L | 134/234 | SYR4 | 2012–2019 |
| Chloroform | 31.125 µg/L No EPA limit set
worst single sample: 44.6 µg/L | 132/234 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14.18 µg/L No EPA limit set
worst single sample: 20.8 µg/L | 122/234 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 8.125 µg/L No EPA limit set
worst single sample: 12.7 µg/L | 116/234 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.435 µg/L No EPA limit set
worst single sample: 2.8 µg/L | 94/234 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.4 µg/L No EPA limit set
worst single sample: 11.8 µg/L | 81/234 | SYR4 | 2012–2019 |
| Lead | 17.415 µg/L 116% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 61 µg/L | 22/157 | SYR4 | 2015–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Lithium | 75.7 µg/L No EPA limit set | 6/6 | UCMR-5 | 2024 |
26 contaminants tested, none detected
Utility contact
Frequently asked questions about Lower Valley Water District
Is Lower Valley Water District tap water safe to drink?
EPA monitoring detected 18 contaminants in Lower Valley Water District'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 Lower Valley Water District's water?
EPA monitoring detected Bromoform, TTHM, Dibromochloromethane, Total Haloacetic Acids (HAA5), Copper, and others. The full list with the level and data source for each is above.
How many people does Lower Valley Water District serve?
Lower Valley Water District reports serving 59,049 people in Texas, per its EPA record.
Has Lower Valley Water District had any water quality violations?
The EPA has 118 violations on file for Lower Valley Water District, of which 5 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.