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 | 2015-04-01 → 2015-04-30 |
| MCL | Health-based | Resolved | 2015-04-01 → 2015-04-30 |
| MCL | Health-based | Resolved | 2015-04-01 → 2015-04-30 |
| MCL | Health-based | Resolved | 2015-04-01 → 2015-04-30 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| Other | Monitoring | Resolved | 2024-07-02 |
| Other | Monitoring | Resolved | 2024-07-02 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| MR | Monitoring | Resolved | 2019-09-05 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 11.77 µg/L No EPA limit set
worst single sample: 13.2 µg/L | 63/67 | SYR4 | 2012–2019 |
| TTHM | 38.51 µg/L 48% of the EPA limit 80 µg/L
worst single sample: 46.1 µg/L | 62/62 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.4 µg/L No EPA limit set
worst single sample: 14.8 µg/L | 61/67 | SYR4 | 2012–2019 |
| Copper | 183 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 230 µg/L | 49/62 | SYR4 | 2013–2017 |
| Chloroform | 23 µg/L No EPA limit set
worst single sample: 31.4 µg/L | 46/67 | SYR4 | 2012–2019 |
| Bromoform | 4.43 µg/L No EPA limit set
worst single sample: 4.9 µg/L | 39/67 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 34.04 µg/L 57% of the EPA limit 60 µg/L
worst single sample: 42.3 µg/L | 37/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26.23 µg/L No EPA limit set
worst single sample: 30.4 µg/L | 32/62 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.4 µg/L No EPA limit set
worst single sample: 2.9 µg/L | 29/62 | SYR4 | 2012–2019 |
| Lead | 12.7 µg/L 85% of the EPA limit 15 µg/L
worst single sample: 16 µg/L | 27/62 | SYR4 | 2013–2017 |
| Trichloroacetic Acid | 8.77 µg/L No EPA limit set
worst single sample: 9.6 µg/L | 27/62 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2023 |
| Nitrate | 620 µg/L 6.2% of the EPA limit 10000 µg/L | 14/16 | SYR4 | 2012–2019 |
| Atrazine | 0.2160 µg/L 7.2% of the EPA limit 3 µg/L
worst single sample: 0.2300 µg/L | 5/8 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 3.07 µg/L No EPA limit set
worst single sample: 3.1 µg/L | 4/62 | SYR4 | 2012–2019 |
| Barium | 95.67 µg/L 4.8% of the EPA limit 2000 µg/L
worst single sample: 97 µg/L | 3/3 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 308 µg/L 3.1% of the EPA limit 10000 µg/L
worst single sample: 340 µg/L | 3/3 | SYR4 | 2012–2015 |
| Lithium | 17 µg/L No EPA limit set | 3/4 | UCMR-5 | 2024 |
| Arsenic | 4.585 µg/L 46% of the EPA limit 10 µg/L
worst single sample: 4.6 µg/L | 2/3 | SYR4 | 2016–2019 |
| Cyanide | 127.5 µg/L 64% of the EPA limit 200 µg/L
worst single sample: 130 µg/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 1031.5 µg/L 26% of the EPA limit 4000 µg/L
worst single sample: 1070 µg/L | 2/2 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2016 |
| Nitrite | 10 µg/L 1% of the EPA limit 1000 µg/L | 1/3 | SYR4 | 2012–2015 |
| Simazine | 0.3400 µg/L 8.5% of the EPA limit 4 µg/L | 1/8 | SYR4 | 2012–2019 |
82 contaminants tested, none detected
Utility contact
Frequently asked questions about Harris County Fwsd 47
Is Harris County Fwsd 47 tap water safe to drink?
EPA monitoring detected 27 contaminants in Harris County Fwsd 47'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 Fwsd 47's water?
EPA monitoring detected Bromodichloromethane, TTHM, Dibromochloromethane, Copper, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Harris County Fwsd 47 serve?
Harris County Fwsd 47 reports serving 4,250 people in Texas, per its EPA record.
Has Harris County Fwsd 47 had any water quality violations?
The EPA has 14 violations on file for Harris County Fwsd 47, 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.