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 | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Archived | 1993-09-01 → 1993-09-30 |
| MCL | Health-based | Archived | 1982-01-18 → 1983-01-17 |
| MCL | Health-based | Archived | 1982-01-18 → 1982-02-17 |
| RPT | Monitoring | Resolved | 2025-07-02 |
| MR | Monitoring | Resolved | 2011-01-01 → 2011-12-31 |
| MR | Monitoring | Resolved | 2011-01-01 → 2011-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 10.755 µg/L No EPA limit set
worst single sample: 14 µg/L | 150/150 | SYR4 | 2012–2019 |
| Chloroform | 37.14 µg/L No EPA limit set
worst single sample: 56 µg/L | 145/150 | SYR4 | 2012–2019 |
| TTHM | 47.66 µg/L 60% of the EPA limit 80 µg/L
worst single sample: 64.5 µg/L | 125/125 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 46.42 µg/L 77% of the EPA limit 60 µg/L
worst single sample: 66.9 µg/L | 125/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 33.7 µg/L No EPA limit set
worst single sample: 47.7 µg/L | 117/125 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 13.66 µg/L No EPA limit set
worst single sample: 20.5 µg/L | 113/125 | SYR4 | 2012–2019 |
| Dibromochloromethane | 11.16 µg/L No EPA limit set
worst single sample: 18.3 µg/L | 109/150 | SYR4 | 2012–2019 |
| Copper | 346 µg/L 27% of the EPA limit 1300 µg/L
worst single sample: 2090 µg/L | 93/100 | SYR4 | 2013–2019 |
| Nitrate | 810 µg/L 8.1% of the EPA limit 10000 µg/L
worst single sample: 820 µg/L | 80/80 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.65 µg/L No EPA limit set
worst single sample: 8.4 µg/L | 56/125 | SYR4 | 2012–2019 |
| Lead | 6 µg/L 40% of the EPA limit 15 µg/L
worst single sample: 9 µg/L | 54/100 | SYR4 | 2013–2019 |
| Atrazine | 0.4200 µg/L 14% of the EPA limit 3 µg/L
worst single sample: 0.4300 µg/L | 35/43 | SYR4 | 2012–2019 |
| Simazine | 0.2200 µg/L 5.5% of the EPA limit 4 µg/L
worst single sample: 0.2400 µg/L | 30/43 | SYR4 | 2012–2019 |
| Bromoform | 25.3 µg/L No EPA limit set
worst single sample: 25.5 µg/L | 21/150 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.31 µg/L No EPA limit set
worst single sample: 5.4 µg/L | 19/125 | SYR4 | 2012–2019 |
| Lead | 0.0012 mg/L 8% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Nitrate-Nitrite | 593 µg/L 5.9% of the EPA limit 10000 µg/L
worst single sample: 600 µg/L | 15/15 | SYR4 | 2012–2015 |
| Barium | 54.18 µg/L 2.7% of the EPA limit 2000 µg/L
worst single sample: 58.5 µg/L | 10/10 | SYR4 | 2014–2017 |
| Fluoride | 582 µg/L 15% of the EPA limit 4000 µg/L
worst single sample: 600 µg/L | 10/10 | SYR4 | 2014–2017 |
| Nitrite | 27.5 µg/L 2.8% of the EPA limit 1000 µg/L
worst single sample: 30 µg/L | 6/15 | SYR4 | 2012–2015 |
| Gross Beta Particle Activity | 5.2 pCi/L No EPA limit set | 4/5 | SYR4 | 2017 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2017 |
| Hexachlorocyclopentadiene | 0.2300 µg/L 0.5% of the EPA limit 50 µg/L | 1/43 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.2 µg/L No EPA limit set | 1/125 | SYR4 | 2012–2019 |
79 contaminants tested, none detected
Utility contact
Frequently asked questions about City of South Houston
Is City of South Houston tap water safe to drink?
EPA monitoring detected 30 contaminants in City of South Houston'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 City of South Houston's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does City of South Houston serve?
City of South Houston reports serving 17,397 people in Texas, per its EPA record.
Has City of South Houston had any water quality violations?
The EPA has 25 violations on file for City of South Houston, of which 7 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.