What was found in Collinston's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 300 µg/L 23% of the EPA limit 1300 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 1400 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Fluoride | 200 µg/L 5% of the EPA limit 4000 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 356 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Barium | 130 µg/L 6.5% of the EPA limit 2000 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 148.5 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Nitrate-Nitrite | 39 µg/L 0.4% of the EPA limit 10000 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 140 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Lead | 3 µg/L 20% of the EPA limit 15 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 10.2 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 3.1645 µg/L 5.3% of the EPA limit 60 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 4.98 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| TTHM | 0.4330 µg/L 0.5% of the EPA limit 80 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 4.57 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 3.3 µg/L No EPA limit set Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 3.155 µg/L No EPA limit set Highest in the city: VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 1/2 | SYR4 |
| Chromium | 2.6 µg/L 2.6% of the EPA limit 100 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 2.62 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Selenium | 2.175 µg/L 4.4% of the EPA limit 50 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019 | 2/2 | SYR4 |
| Dibromochloromethane | 2.125 µg/L No EPA limit set Highest in the city: VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 1/2 | SYR4 |
| Dibromoacetic Acid | 0.5900 µg/L No EPA limit set Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 2.092 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Bromoform | 1.969 µg/L No EPA limit set Highest in the city: VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 1/2 | SYR4 |
| Arsenic | 1.93 µg/L 19% of the EPA limit 10 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019 | 2/2 | SYR4 |
| Monobromoacetic Acid | 1.8 µg/L No EPA limit set Highest in the city: VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 1/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.1545 pCi/L 23% of the EPA limit 5 pCi/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 1.422 pCi/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Chloroform | 0.4330 µg/L No EPA limit set Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019
Highest in the city: 0.9810 µg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 0.7870 µg/L No EPA limit set Highest in the city: VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2019 | 1/2 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.6600 µg/L 11% of the EPA limit 6 µg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2019 | 2/2 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: MOREHOUSE CENTRAL WS · 780 people · 2024
Highest in the city: 0.0040 mg/L — VILLAGE OF COLLINSTON WATER SYSTEM · 609 people · 2025 | 2/2 | LCR |
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 the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Collinston
| Supplier | Population served |
|---|---|
| MOREHOUSE CENTRAL WS | 780 |
| VILLAGE OF COLLINSTON WATER SYSTEM | 609 |
Frequently asked questions about Collinston tap water
Is Collinston tap water safe to drink?
EPA testing detected 21 contaminants in the water serving Collinston. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Collinston?
2 public water suppliers report drinking-water monitoring for Collinston, Louisiana to the EPA. Each is listed above with its population served.
What contaminants are in Collinston's water?
The contaminants EPA monitoring detected in Collinston include Copper, Fluoride, Barium, Nitrate-Nitrite, Lead. The full list, with the level at the main supplier and the data source, is in the table above.
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.