What was found in Mount Pleasant'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 |
|---|---|---|---|
| Nitrate | 168 µg/L 1.7% of the EPA limit 10000 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Nitrate-Nitrite | 168 µg/L 1.7% of the EPA limit 10000 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Fluoride | 120 µg/L 3% of the EPA limit 4000 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Total Haloacetic Acids (HAA5) | 64.835 µg/L 108% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 115.38 µg/L — POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 13/13 | SYR4 |
| Trichloroacetic Acid | 41.72 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 77.92 µg/L — POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 13/13 | SYR4 |
| TTHM | 70.48 µg/L 88% of the EPA limit 80 µg/L Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 75.215 µg/L — OLD FARM HILL WATER DISTRICT · 1,768 people · 2019 | 13/13 | SYR4 |
| Chloroform | 66.03 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 69.9 µg/L — OLD FARM HILL WATER DISTRICT · 1,768 people · 2019 | 13/13 | SYR4 |
| Copper | 63.4 µg/L 4.9% of the EPA limit 1300 µg/L Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2016 | 2/13 | SYR4 |
| Dichloroacetic Acid | 24.71 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 37.76 µg/L — POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 13/13 | SYR4 |
| Barium | 25.255 µg/L 1.3% of the EPA limit 2000 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Cyanide | 8.205 µg/L 4.1% of the EPA limit 200 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Bromodichloromethane | 4.886 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 6.78 µg/L — POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 13/13 | SYR4 |
| Monochloroacetic Acid | 2.796 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 5.929 µg/L — BEAR RIDGE LAKE WATER DISTRICT · 518 people · 2019 | 9/13 | SYR4 |
| Lead | 2.2 µg/L 15% of the EPA limit 15 µg/L Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2016 | 1/13 | SYR4 |
| Combined Radium (-226 And -228) | 2.101 pCi/L 42% of the EPA limit 5 pCi/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Dibromochloromethane | 0.3705 µg/L No EPA limit set Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2019
Highest in the city: 1.633 µg/L — PACE UNIVERSITY · 2,753 people · 2019 | 13/13 | SYR4 |
| Dibromoacetic Acid | 1.41 µg/L No EPA limit set Highest in the city: PLEASANTVILLE WATER DISTRICT · 9,550 people · 2019 | 3/13 | SYR4 |
| Gross Alpha, Excl. Radon And U | 1.04 pCi/L 6.9% of the EPA limit 15 pCi/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.8580 µg/L 14% of the EPA limit 6 µg/L Highest in the city: POCANTICO HILLS WATER DISTRICT · 329 people · 2019 | 1/13 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: KENSICO WATER DISTRICT · 17,917 people · 2026
Highest in the city: 0.0015 mg/L — OLD FARM HILL WATER DISTRICT · 1,768 people · 2026 | 13/13 | 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 Mount Pleasant
| Supplier | Population served |
|---|---|
| KENSICO WATER DISTRICT | 17,917 |
| SLEEPY HOLLOW (VILLAGE) | 9,870 |
| PLEASANTVILLE WATER DISTRICT | 9,550 |
| PACE UNIVERSITY | 2,753 |
| OLD FARM HILL WATER DISTRICT | 1,768 |
| BEAR RIDGE LAKE WATER DISTRICT | 518 |
| POCANTICO HILLS WATER DISTRICT | 329 |
| APPLEHILL FARM WATER DISTRICT | 209 |
| PLEASANT RIDGE WATER DISTRICT | 95 |
| MEADOWBROOK WATER DISTRICT | 91 |
| MILL RIVER WATER DISTRICT | 74 |
| PLEASANTVILLE ROAD WATER DISTRICT | 56 |
| PLEASANTVILLE EXTENSION #1 | 49 |
Frequently asked questions about Mount Pleasant tap water
Is Mount Pleasant tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Mount Pleasant. 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 Mount Pleasant?
13 public water suppliers report drinking-water monitoring for Mount Pleasant, New York to the EPA. Each is listed above with its population served.
What contaminants are in Mount Pleasant's water?
The contaminants EPA monitoring detected in Mount Pleasant include Nitrate, Nitrate-Nitrite, Fluoride, Total Haloacetic Acids (HAA5), Trichloroacetic Acid. 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.