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 | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| MR | Monitoring | Resolved | 2024-12-30 |
| MR | Monitoring | Resolved | 2024-12-30 |
| 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 |
PFAS detected
Other contaminants detected
| 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: 621 µg/L | 70/76 | SYR4 | 2013–2018 |
| Bromodichloromethane | 23.25 µg/L No EPA limit set
worst single sample: 24.8 µg/L | 63/63 | SYR4 | 2012–2019 |
| Chloroform | 17.33 µg/L No EPA limit set
worst single sample: 31.1 µg/L | 63/63 | SYR4 | 2012–2019 |
| Dibromochloromethane | 32.03 µg/L No EPA limit set
worst single sample: 39.1 µg/L | 63/63 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 13.22 µg/L No EPA limit set
worst single sample: 24.6 µg/L | 63/63 | SYR4 | 2012–2019 |
| TTHM | 73.9 µg/L 92% of the EPA limit 80 µg/L
worst single sample: 88.8 µg/L | 63/63 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 29.3 µg/L 49% of the EPA limit 60 µg/L
worst single sample: 39.6 µg/L | 63/63 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 10.97 µg/L No EPA limit set
worst single sample: 17 µg/L | 62/63 | SYR4 | 2012–2019 |
| Bromoform | 16.7 µg/L No EPA limit set
worst single sample: 24.8 µg/L | 61/63 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.705 µg/L No EPA limit set
worst single sample: 12.2 µg/L | 60/63 | SYR4 | 2012–2019 |
| Lead | 15.025 µg/L 100% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 24.8 µg/L | 18/76 | SYR4 | 2013–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Monobromoacetic Acid | 1.61 µg/L No EPA limit set
worst single sample: 1.7 µg/L | 10/63 | SYR4 | 2012–2019 |
| Lithium | 17.5 µg/L No EPA limit set | 3/4 | UCMR-5 | 2025 |
| Monochloroacetic Acid | 6.6 µg/L No EPA limit set | 1/63 | SYR4 | 2012–2019 |
25 contaminants tested, none detected
Utility contact
Frequently asked questions about San Leon Mud
Is San Leon Mud tap water safe to drink?
EPA monitoring detected 19 contaminants in San Leon Mud'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 San Leon Mud's water?
EPA monitoring detected Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does San Leon Mud serve?
San Leon Mud reports serving 11,622 people in Texas, per its EPA record.
Has San Leon Mud had any water quality violations?
The EPA has 67 violations on file for San Leon Mud, of which 4 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.