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.
4
health-based violations
23
violations on file
0
still open
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| MON | Monitoring | Resolved | 2023-06-01 → 2023-06-30 |
| MON | Monitoring | Resolved | 2023-06-01 → 2023-06-30 |
| MON | Monitoring | Resolved | 2023-06-01 → 2023-06-30 |
| MON | Monitoring | Resolved | 2023-06-01 → 2023-06-30 |
| MON | Monitoring | Resolved | 2022-12-01 → 2022-12-31 |
| MON | Monitoring | Resolved | 2022-12-01 → 2022-12-31 |
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 |
|---|---|---|---|---|
| Chloroform | 27.2 µg/L No EPA limit set
worst single sample: 34 µg/L | 396/398 | SYR4 | 2012–2019 |
| Bromodichloromethane | 9.6 µg/L No EPA limit set
worst single sample: 12 µg/L | 395/398 | SYR4 | 2012–2019 |
| TTHM | 36.765 µg/L 46% of the EPA limit 80 µg/L
worst single sample: 43.4 µg/L | 388/388 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39.67 µg/L 66% of the EPA limit 60 µg/L
worst single sample: 59 µg/L | 387/387 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 11 µg/L No EPA limit set
worst single sample: 14 µg/L | 387/387 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 25.3 µg/L No EPA limit set
worst single sample: 36.5 µg/L | 373/387 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.89 µg/L No EPA limit set
worst single sample: 9.5 µg/L | 323/398 | SYR4 | 2012–2019 |
| Lead | 12 µg/L 80% of the EPA limit 15 µg/L
worst single sample: 26 µg/L | 152/182 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 8.545 µg/L No EPA limit set
worst single sample: 13.3 µg/L | 78/387 | SYR4 | 2012–2019 |
| Copper | 200 µg/L 15% of the EPA limit 1300 µg/L | 74/182 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 2.3 µg/L No EPA limit set
worst single sample: 3.3 µg/L | 74/387 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2300 µg/L 23% of the EPA limit 10000 µg/L | 38/38 | SYR4 | 2012–2019 |
| Fluoride | 800 µg/L 20% of the EPA limit 4000 µg/L | 19/19 | SYR4 | 2012–2019 |
| Bromoform | 0.8100 µg/L No EPA limit set | 18/398 | SYR4 | 2012–2019 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Di(2-ethylhexyl) Phthalate | 1.145 µg/L 19% of the EPA limit 6 µg/L
worst single sample: 1.2 µg/L | 12/31 | SYR4 | 2012–2019 |
| Barium | 54.5 µg/L 2.7% of the EPA limit 2000 µg/L
worst single sample: 59 µg/L | 11/19 | SYR4 | 2012–2019 |
| Combined Uranium | 1.595 µg/L 5.3% of the EPA limit 30 µg/L
worst single sample: 1.7 µg/L | 11/13 | SYR4 | 2012–2019 |
| Atrazine | 0.4340 µg/L 14% of the EPA limit 3 µg/L
worst single sample: 0.4400 µg/L | 7/35 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.2 pCi/L No EPA limit set
worst single sample: 4.29 pCi/L | 6/15 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 10.66 µg/L No EPA limit set
worst single sample: 13 µg/L | 5/387 | SYR4 | 2012–2019 |
| Arsenic | 1.085 µg/L 11% of the EPA limit 10 µg/L
worst single sample: 1.1 µg/L | 4/19 | SYR4 | 2012–2019 |
| Dalapon | 19.422 µg/L 9.7% of the EPA limit 200 µg/L | 4/27 | SYR4 | 2012–2019 |
| Lithium | 14 µg/L No EPA limit set | 3/12 | UCMR-5 | 2025 |
| Antimony, Total | 1.95 µg/L 33% of the EPA limit 6 µg/L
worst single sample: 2 µg/L | 2/19 | SYR4 | 2012–2019 |
| Carbon Tetrachloride | 0.5195 µg/L 10% of the EPA limit 5 µg/L
worst single sample: 0.5200 µg/L | 2/24 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 2.2359 pCi/L 45% of the EPA limit 5 pCi/L
worst single sample: 2.31 pCi/L | 2/9 | SYR4 | 2015–2019 |
| Cyanide | 6.9 µg/L 3.5% of the EPA limit 200 µg/L | 1/19 | SYR4 | 2012–2019 |
| Selenium | 0.6400 µg/L 1.3% of the EPA limit 50 µg/L | 1/19 | SYR4 | 2012–2019 |
77 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCadmiumCarbofuranChlordaneChromiumDichloromethaneDi(2-ethylhexyl) AdipateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPFBSPfdaPfdoaPfeesaPfhpaPfhpsPFHXSPfmbaPfmpaPFNAPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene
Utility contact
Frequently asked questions about New Orleans Carrollton Water Works
Is New Orleans Carrollton Water Works tap water safe to drink?
EPA monitoring detected 35 contaminants in New Orleans Carrollton Water Works'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 New Orleans Carrollton Water Works's water?
EPA monitoring detected Chloroform, Bromodichloromethane, TTHM, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does New Orleans Carrollton Water Works serve?
New Orleans Carrollton Water Works reports serving 334,903 people in Louisiana, per its EPA record.
Has New Orleans Carrollton Water Works had any water quality violations?
The EPA has 23 violations on file for New Orleans Carrollton Water Works, 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.