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.
0
health-based violations
7
violations on file
0
still open
| Violation | Type | Status | Period |
|---|---|---|---|
| RPT | Monitoring | Resolved | 2025-07-02 |
| MR | Monitoring | Resolved | 2010-10-01 |
| MR | Monitoring | Resolved | 2010-10-01 |
| MR | Monitoring | Resolved | 2010-10-01 |
| MR | Monitoring | Resolved | 2010-10-01 |
| MR | Monitoring | Archived | 1992-04-01 → 1992-04-30 |
| Other | Monitoring | Archived | 1992-04-01 → 1992-04-30 |
PFAS detected
PFAS are industrial “forever chemicals”. These are the EPA's latest
nationwide test results (2023–2025).
Other contaminants detected
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of this
system's samples — over 100% is worth reading, but is not by itself a
violation. Where a single sample came in higher than that percentile, it
is noted under the bar. Formal violations are listed separately.
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 20.9 µg/L No EPA limit set
worst single sample: 24.9 µg/L | 121/126 | SYR4 | 2012–2019 |
| Bromodichloromethane | 14.2 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 120/126 | SYR4 | 2012–2019 |
| TTHM | 51.875 µg/L 65% of the EPA limit 80 µg/L
worst single sample: 58.2 µg/L | 114/114 | SYR4 | 2012–2019 |
| Chloroform | 13.66 µg/L No EPA limit set
worst single sample: 18.1 µg/L | 113/126 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 16.34 µg/L 27% of the EPA limit 60 µg/L
worst single sample: 20.9 µg/L | 113/114 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.7 µg/L No EPA limit set
worst single sample: 12.6 µg/L | 111/114 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 7.265 µg/L No EPA limit set
worst single sample: 10.3 µg/L | 110/114 | SYR4 | 2012–2019 |
| Bromoform | 12.64 µg/L No EPA limit set
worst single sample: 18.4 µg/L | 104/126 | SYR4 | 2012–2019 |
| Copper | 768.2 µg/L 59% of the EPA limit 1300 µg/L
worst single sample: 1443 µg/L | 94/94 | SYR4 | 2013–2017 |
| Lead | 13.4 µg/L 89% of the EPA limit 15 µg/L
worst single sample: 17.7 µg/L | 81/94 | SYR4 | 2013–2017 |
| Trichloroacetic Acid | 4.5 µg/L No EPA limit set
worst single sample: 5.2 µg/L | 81/114 | SYR4 | 2012–2019 |
| Nitrate | 5397.5 µg/L 54% of the EPA limit 10000 µg/L
worst single sample: 6300 µg/L | 40/42 | SYR4 | 2012–2019 |
| Lead | 0.0037 mg/L 25% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2023 |
| Nitrate-Nitrite | 2957.5 µg/L 30% of the EPA limit 10000 µg/L
worst single sample: 3630 µg/L | 6/6 | SYR4 | 2012–2015 |
| Lithium | 60.2 µg/L No EPA limit set | 6/10 | UCMR-5 | 2024 |
| Barium | 141.95 µg/L 7.1% of the EPA limit 2000 µg/L
worst single sample: 143 µg/L | 4/4 | SYR4 | 2014–2017 |
| Fluoride | 613.5 µg/L 15% of the EPA limit 4000 µg/L
worst single sample: 630 µg/L | 4/4 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 4.995 µg/L No EPA limit set
worst single sample: 5.7 µg/L | 4/114 | SYR4 | 2012–2019 |
| Simazine | 0.2400 µg/L 6% of the EPA limit 4 µg/L
worst single sample: 0.2500 µg/L | 3/15 | SYR4 | 2012–2019 |
| Arsenic | 3.695 µg/L 37% of the EPA limit 10 µg/L
worst single sample: 3.7 µg/L | 2/4 | SYR4 | 2014–2017 |
| Atrazine | 0.1285 µg/L 4.3% of the EPA limit 3 µg/L
worst single sample: 0.1300 µg/L | 2/15 | SYR4 | 2012–2019 |
| Cyanide | 39.5 µg/L 20% of the EPA limit 200 µg/L
worst single sample: 40 µg/L | 2/3 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 2.45 pCi/L 49% of the EPA limit 5 pCi/L
worst single sample: 2.5 pCi/L | 2/2 | SYR4 | 2017 |
| Gross Beta Particle Activity | 12.625 pCi/L No EPA limit set
worst single sample: 13 pCi/L | 2/2 | SYR4 | 2017 |
| Monochloroacetic Acid | 4.025 µg/L No EPA limit set
worst single sample: 4.1 µg/L | 2/114 | SYR4 | 2012–2019 |
| Nitrite | 10 µg/L 1% of the EPA limit 1000 µg/L | 2/6 | SYR4 | 2012–2015 |
| Xylenes, Total | 1.17 µg/L 0% of the EPA limit 10000 µg/L
worst single sample: 1.2 µg/L | 2/12 | SYR4 | 2015–2019 |
| Gross Alpha, Excl. Radon And U | 4.8 pCi/L 32% of the EPA limit 15 pCi/L | 1/2 | SYR4 | 2017 |
73 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfdaPfdoaPfeesaPfhpsPfmbaPfmpaPFNAPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl Chloridecis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene
Utility contact
Frequently asked questions about City of Huntsville
Is City of Huntsville tap water safe to drink?
EPA monitoring detected 36 contaminants in City of Huntsville'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 Huntsville's water?
EPA monitoring detected Dibromochloromethane, Bromodichloromethane, TTHM, Chloroform, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does City of Huntsville serve?
City of Huntsville reports serving 48,522 people in Texas, per its EPA record.
Has City of Huntsville had any water quality violations?
The EPA has 7 violations on file for City of Huntsville, of which 0 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.