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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| TT | Health-based | Resolved | 2019-11-19 |
| MCL | Health-based | Archived | 1991-07-01 → 1991-07-31 |
| MCL | Health-based | Archived | 1991-07-01 → 1991-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 8 µg/L 53% of the EPA limit 15 µg/L
worst single sample: 14 µg/L | 40/68 | SYR4 | 2013–2019 |
| Copper | 700 µg/L 54% of the EPA limit 1300 µg/L
worst single sample: 800 µg/L | 38/68 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 5.75 µg/L No EPA limit set
worst single sample: 8 µg/L | 26/30 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 11.1 µg/L 19% of the EPA limit 60 µg/L
worst single sample: 27.2 µg/L | 26/30 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 25.96 pCi/L 519% of the EPA limit, at the 95th percentile of samples — 5 pCi/L
worst single sample: 34.3 pCi/L | 25/29 | SYR4 | 2016–2019 |
| TTHM | 50.65 µg/L 63% of the EPA limit 80 µg/L
worst single sample: 95.6 µg/L | 22/30 | SYR4 | 2013–2019 |
| Barium | 2700 µg/L 135% of the EPA limit, at the 95th percentile of samples — 2000 µg/L
worst single sample: 5000 µg/L | 21/27 | SYR4 | 2012–2019 |
| Bromoform | 36.3 µg/L No EPA limit set
worst single sample: 64.3 µg/L | 21/30 | SYR4 | 2013–2019 |
| Dibromochloromethane | 13.065 µg/L No EPA limit set
worst single sample: 23.8 µg/L | 20/30 | SYR4 | 2013–2019 |
| Bromodichloromethane | 3.915 µg/L No EPA limit set
worst single sample: 5.7 µg/L | 18/30 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 2.895 µg/L No EPA limit set
worst single sample: 4 µg/L | 14/30 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 32.78 pCi/L No EPA limit set
worst single sample: 41.9 pCi/L | 13/20 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 1.434 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 13/30 | SYR4 | 2013–2019 |
| Lead | 0.0093 mg/L 62% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2025 |
| Chloroform | 1.665 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 10/30 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 1.985 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 8/30 | SYR4 | 2013–2019 |
| Fluoride | 157.5 µg/L 3.9% of the EPA limit 4000 µg/L
worst single sample: 160 µg/L | 6/12 | SYR4 | 2013–2019 |
| Arsenic | 2.85 µg/L 29% of the EPA limit 10 µg/L
worst single sample: 3 µg/L | 4/12 | SYR4 | 2013–2019 |
| Dalapon | 7.61 µg/L 3.8% of the EPA limit 200 µg/L | 3/12 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 13.12 pCi/L 87% of the EPA limit 15 pCi/L
worst single sample: 13.8 pCi/L | 3/4 | SYR4 | 2014–2016 |
| Hexachlorobenzene | 0.7380 µg/L 74% of the EPA limit 1 µg/L
worst single sample: 0.8100 µg/L | 3/12 | SYR4 | 2013–2019 |
| Di(2-ethylhexyl) Phthalate | 0.5590 µg/L 9.3% of the EPA limit 6 µg/L
worst single sample: 0.5600 µg/L | 2/12 | SYR4 | 2013–2019 |
| Lithium | 17.4 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
| Chromium | 10 µg/L 10% of the EPA limit 100 µg/L | 1/13 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 19.1 µg/L No EPA limit set | 1/30 | SYR4 | 2013–2019 |
| Selenium | 7.2 µg/L 14% of the EPA limit 50 µg/L | 1/12 | SYR4 | 2013–2019 |
86 contaminants tested, none detected
Utility contact
Frequently asked questions about Monterey Rural Water System Inc
Is Monterey Rural Water System Inc tap water safe to drink?
EPA monitoring detected 26 contaminants in Monterey Rural Water System Inc'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 Monterey Rural Water System Inc's water?
EPA monitoring detected Lead, Copper, Dibromoacetic Acid, Total Haloacetic Acids (HAA5), Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.
How many people does Monterey Rural Water System Inc serve?
Monterey Rural Water System Inc reports serving 5,250 people in Louisiana, per its EPA record.
Has Monterey Rural Water System Inc had any water quality violations?
The EPA has 30 violations on file for Monterey Rural Water System Inc, of which 26 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.