What was found in Yellow Springs'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 |
|---|---|---|---|
| Fluoride | 219 µg/L 5.5% of the EPA limit 4000 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2017 | 1/1 | SYR4 |
| Nitrate | 180 µg/L 1.8% of the EPA limit 10000 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Copper | 178 µg/L 14% of the EPA limit 1300 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 177 µg/L 1.8% of the EPA limit 10000 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Barium | 141.45 µg/L 7.1% of the EPA limit 2000 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2017 | 1/1 | SYR4 |
| TTHM | 34.6715 µg/L 43% of the EPA limit 80 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Lead | 20.84 µg/L 139% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Gross Beta Particle Activity | 13.8 pCi/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2017 | 1/1 | SYR4 |
| Lithium | 11.3 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2023 | 1/1 | UCMR-5 |
| Bromodichloromethane | 11.279 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Chloroform | 11.176 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 9.129 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 4.3782 µg/L 7.3% of the EPA limit 60 µg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Bromoform | 3.84 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 2.5 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 2.1892 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.4706 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2019 | 1/1 | SYR4 |
| PFOS | 0.0092 µg/L No EPA limit set Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2023 | 1/1 | UCMR-5 |
| Lead | 0.0023 mg/L 15% of the EPA limit 0.0150 mg/L Main supplier: YELLOW SPRINGS VILLAGE PWS · 3,761 people · 2025 | 1/1 | LCR |
Water suppliers serving Yellow Springs
| Supplier | Population served |
|---|---|
| YELLOW SPRINGS VILLAGE PWS | 3,761 |
Frequently asked questions about Yellow Springs tap water
Is Yellow Springs tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Yellow Springs. 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 Yellow Springs?
1 public water supplier report drinking-water monitoring for Yellow Springs, Ohio to the EPA. Each is listed above with its population served.
What contaminants are in Yellow Springs's water?
The contaminants EPA monitoring detected in Yellow Springs include Fluoride, Nitrate, Copper, Nitrate-Nitrite, 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.