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 | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MCL | Health-based | Resolved | 2011-09-01 → 2011-09-30 |
| MR | Monitoring | Resolved | 2012-06-01 |
| MR | Monitoring | Resolved | 2012-06-01 |
| MR | Monitoring | Resolved | 2012-06-01 |
| MR | Monitoring | Resolved | 2012-06-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 39.39 µg/L 49% of the EPA limit 80 µg/L
worst single sample: 42.4 µg/L | 118/124 | SYR4 | 2012–2019 |
| Bromodichloromethane | 11.2 µg/L No EPA limit set
worst single sample: 13 µg/L | 111/130 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5.125 µg/L No EPA limit set
worst single sample: 8.2 µg/L | 108/130 | SYR4 | 2012–2019 |
| Chloroform | 29.575 µg/L No EPA limit set
worst single sample: 38 µg/L | 106/130 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 31.9 µg/L No EPA limit set
worst single sample: 35.9 µg/L | 101/124 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 43.8 µg/L 73% of the EPA limit 60 µg/L
worst single sample: 47 µg/L | 101/124 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 9.505 µg/L No EPA limit set
worst single sample: 10.7 µg/L | 100/124 | SYR4 | 2012–2019 |
| Copper | 240.68 µg/L 19% of the EPA limit 1300 µg/L
worst single sample: 509 µg/L | 65/96 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 2.535 µg/L No EPA limit set
worst single sample: 3 µg/L | 54/124 | SYR4 | 2012–2019 |
| Nitrate | 660 µg/L 6.6% of the EPA limit 10000 µg/L
worst single sample: 780 µg/L | 44/48 | SYR4 | 2012–2019 |
| Lead | 3.67 µg/L 24% of the EPA limit 15 µg/L
worst single sample: 15.9 µg/L | 42/96 | SYR4 | 2013–2019 |
| Bromoform | 3.065 µg/L No EPA limit set
worst single sample: 9.7 µg/L | 24/130 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.395 µg/L No EPA limit set
worst single sample: 7.4 µg/L | 22/124 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Atrazine | 0.2360 µg/L 7.9% of the EPA limit 3 µg/L
worst single sample: 0.2400 µg/L | 9/12 | SYR4 | 2014–2019 |
| Lithium | 15.4 µg/L No EPA limit set | 9/12 | UCMR-5 | 2025 |
| Nitrate-Nitrite | 396.5 µg/L 4% of the EPA limit 10000 µg/L
worst single sample: 400 µg/L | 8/9 | SYR4 | 2012–2015 |
| Barium | 144.25 µg/L 7.2% of the EPA limit 2000 µg/L
worst single sample: 147 µg/L | 6/6 | SYR4 | 2014–2017 |
| Fluoride | 660 µg/L 17% of the EPA limit 4000 µg/L | 6/6 | SYR4 | 2014–2017 |
| Simazine | 0.3200 µg/L 8% of the EPA limit 4 µg/L
worst single sample: 0.3600 µg/L | 6/12 | SYR4 | 2014–2019 |
| Cyanide | 135 µg/L 68% of the EPA limit 200 µg/L
worst single sample: 140 µg/L | 3/6 | SYR4 | 2014–2017 |
| Nitrite | 10 µg/L 1% of the EPA limit 1000 µg/L | 2/9 | SYR4 | 2012–2015 |
| Arsenic | 2.2 µg/L 22% of the EPA limit 10 µg/L | 1/6 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 2.1 µg/L No EPA limit set | 1/124 | SYR4 | 2012–2019 |
79 contaminants tested, none detected
Utility contact
Frequently asked questions about Harris County Wcid 36
Is Harris County Wcid 36 tap water safe to drink?
EPA monitoring detected 29 contaminants in Harris County Wcid 36'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 Wcid 36's water?
EPA monitoring detected TTHM, Bromodichloromethane, Dibromochloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Harris County Wcid 36 serve?
Harris County Wcid 36 reports serving 11,073 people in Texas, per its EPA record.
Has Harris County Wcid 36 had any water quality violations?
The EPA has 8 violations on file for Harris County Wcid 36, of which 4 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.