What was found in Plymouth'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 | 700 µg/L 7% of the EPA limit 10000 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2019
Highest in the city: 1600 µg/L — PRETTY VIEW CONDOMINIUM OWNERS ASSOC · 85 people · 2019 | 4/6 | SYR4 |
| Nitrate-Nitrite | 380 µg/L 3.8% of the EPA limit 10000 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018
Highest in the city: 1598.5 µg/L — PRETTY VIEW CONDOMINIUM OWNERS ASSOC · 85 people · 2018 | 4/6 | SYR4 |
| Fluoride | 950 µg/L 24% of the EPA limit 4000 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018 | 6/6 | SYR4 |
| Copper | 105.5 µg/L 8.1% of the EPA limit 1300 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2017
Highest in the city: 206.5 µg/L — PRETTY VIEW CONDOMINIUM OWNERS ASSOC · 85 people · 2019 | 6/6 | SYR4 |
| Barium | 81.5 µg/L 4.1% of the EPA limit 2000 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018
Highest in the city: 125.8 µg/L — CREEKSIDE MANOR MHP · 73 people · 2018 | 6/6 | SYR4 |
| TTHM | 38.85 µg/L 49% of the EPA limit 80 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2019 | 1/6 | SYR4 |
| Nitrite | 28.501 µg/L 2.9% of the EPA limit 1000 µg/L Highest in the city: PRETTY VIEW CONDOMINIUM OWNERS ASSOC · 85 people · 2018 | 1/6 | SYR4 |
| Arsenic | 1.5 µg/L 15% of the EPA limit 10 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018
Highest in the city: 19.52 µg/L — CREEKSIDE MANOR MHP · 73 people · 2019 | 5/6 | SYR4 |
| Total Haloacetic Acids (HAA5) | 18.13 µg/L 30% of the EPA limit 60 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2019 | 1/6 | SYR4 |
| Chloroform | 11.95 µg/L No EPA limit set Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018 | 1/6 | SYR4 |
| Gross Alpha, Excl. Radon And U | 0.7200 pCi/L 4.8% of the EPA limit 15 pCi/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2015
Highest in the city: 4.7 pCi/L — PRETTY VIEW CONDOMINIUM OWNERS ASSOC · 85 people · 2018 | 5/6 | SYR4 |
| Bromodichloromethane | 4.32 µg/L No EPA limit set Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018 | 1/6 | SYR4 |
| Lead | 3.7 µg/L 25% of the EPA limit 15 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2017 | 3/6 | SYR4 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L Highest in the city: QUEEN ROAD MOBILE HOME PARK · 32 people · 2018 | 1/6 | SYR4 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018
Highest in the city: 1.5 µg/L — GATEWOOD ESTATES · 202 people · 2018 | 4/6 | SYR4 |
| Thallium, Total | 1.1 µg/L 55% of the EPA limit 2 µg/L Highest in the city: INWOOD ESTATES · 50 people · 2018 | 1/6 | SYR4 |
| Dibromochloromethane | 1 µg/L No EPA limit set Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2018 | 1/6 | SYR4 |
| Antimony, Total | 0.6000 µg/L 10% of the EPA limit 6 µg/L Highest in the city: INWOOD ESTATES · 50 people · 2018 | 1/6 | SYR4 |
| Lead | 0.0027 mg/L 18% of the EPA limit 0.0150 mg/L Main supplier: PLYMOUTH WATER DEPARTMENT · 10,241 people · 2024 | 6/6 | 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 Plymouth
| Supplier | Population served |
|---|---|
| PLYMOUTH WATER DEPARTMENT | 10,241 |
| GATEWOOD ESTATES | 202 |
| PRETTY VIEW CONDOMINIUM OWNERS ASSOC | 85 |
| CREEKSIDE MANOR MHP | 73 |
| INWOOD ESTATES | 50 |
| QUEEN ROAD MOBILE HOME PARK | 32 |
Frequently asked questions about Plymouth tap water
Is Plymouth tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Plymouth. 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 Plymouth?
6 public water suppliers report drinking-water monitoring for Plymouth, Indiana to the EPA. Each is listed above with its population served.
What contaminants are in Plymouth's water?
The contaminants EPA monitoring detected in Plymouth include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. 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.