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.
29
health-based violations
32
violations on file
0
still open
| Violation | Type | Status | Period |
|---|---|---|---|
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
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 |
|---|---|---|---|---|
| Chlorite | 820 µg/L 82% of the EPA limit 1000 µg/L
worst single sample: 975 µg/L | 216/228 | SYR4 | 2013–2019 |
| Dibromochloromethane | 24.515 µg/L No EPA limit set
worst single sample: 37.93 µg/L | 38/38 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.02 µg/L No EPA limit set
worst single sample: 17.49 µg/L | 37/38 | SYR4 | 2012–2019 |
| Bromoform | 40.88 µg/L No EPA limit set
worst single sample: 55 µg/L | 35/38 | SYR4 | 2012–2019 |
| Copper | 314.53 µg/L 24% of the EPA limit 1300 µg/L
worst single sample: 1197.2 µg/L | 35/35 | SYR4 | 2012–2018 |
| Lead | 5.429 µg/L 36% of the EPA limit 15 µg/L
worst single sample: 6.4 µg/L | 28/35 | SYR4 | 2012–2018 |
| Dibromoacetic Acid | 25.16 µg/L No EPA limit set
worst single sample: 36 µg/L | 27/27 | SYR4 | 2012–2019 |
| TTHM | 70.16 µg/L 88% of the EPA limit 80 µg/L
worst single sample: 83 µg/L | 27/29 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 49.3 µg/L 82% of the EPA limit 60 µg/L
worst single sample: 55.4 µg/L | 27/27 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 17.675 µg/L No EPA limit set
worst single sample: 29 µg/L | 26/27 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 6.8 µg/L No EPA limit set
worst single sample: 16 µg/L | 25/27 | SYR4 | 2012–2019 |
| Chloroform | 7.804 µg/L No EPA limit set
worst single sample: 10.8 µg/L | 24/38 | SYR4 | 2012–2019 |
| Nitrate | 446 µg/L 4.5% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.3 µg/L No EPA limit set
worst single sample: 6 µg/L | 15/27 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 10.45 µg/L No EPA limit set
worst single sample: 14.3 µg/L | 11/27 | SYR4 | 2012–2019 |
| Lead | 0.0101 mg/L 67% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2025 |
| Fluoride | 315.2 µg/L 7.9% of the EPA limit 4000 µg/L
worst single sample: 318 µg/L | 8/8 | SYR4 | 2012–2019 |
| Barium | 148.2 µg/L 7.4% of the EPA limit 2000 µg/L
worst single sample: 150 µg/L | 7/7 | SYR4 | 2013–2019 |
| Cyanide | 139.8 µg/L 70% of the EPA limit 200 µg/L
worst single sample: 144 µg/L | 5/6 | SYR4 | 2014–2019 |
| Chromium | 4.2 µg/L 4.2% of the EPA limit 100 µg/L
worst single sample: 4.38 µg/L | 5/7 | SYR4 | 2013–2019 |
| Antimony, Total | 0.2694 µg/L 4.5% of the EPA limit 6 µg/L
worst single sample: 0.2720 µg/L | 2/7 | SYR4 | 2013–2019 |
| Arsenic | 1.1975 µg/L 12% of the EPA limit 10 µg/L
worst single sample: 1.2 µg/L | 2/7 | SYR4 | 2013–2019 |
| Selenium | 3.005 µg/L 6% of the EPA limit 50 µg/L
worst single sample: 3.1 µg/L | 2/7 | SYR4 | 2013–2019 |
| Toluene | 0.9465 µg/L 0.1% of the EPA limit 1000 µg/L
worst single sample: 0.9700 µg/L | 2/11 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2015 |
| Gross Beta Particle Activity | 9.3 pCi/L No EPA limit set | 1/1 | SYR4 | 2015 |
| Nitrate-Nitrite | 190 µg/L 1.9% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2013 |
| Simazine | 0.1600 µg/L 4% of the EPA limit 4 µg/L | 1/11 | SYR4 | 2012–2019 |
52 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCadmiumCarbofuranCarbon TetrachlorideChlordaneCombined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNitriteOxamylPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene
Utility contact
Frequently asked questions about City of Nocona
Is City of Nocona tap water safe to drink?
EPA monitoring detected 28 contaminants in City of Nocona'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 Nocona's water?
EPA monitoring detected Chlorite, Dibromochloromethane, Bromodichloromethane, Bromoform, Copper, and others. The full list with the level and data source for each is above.
How many people does City of Nocona serve?
City of Nocona reports serving 3,170 people in Texas, per its EPA record.
Has City of Nocona had any water quality violations?
The EPA has 32 violations on file for City of Nocona, of which 29 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.