What was found in Placerville'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-Nitrite | 82000 µg/L 820% of the EPA limit, at the 95th percentile of samples — 10000 µg/L Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 2/5 | SYR4 |
| Nitrate | 81.36 µg/L 0.8% of the EPA limit 10000 µg/L Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019
Highest in the city: 1400 µg/L — CRYSTAL CAVES MHP · 112 people · 2019 | 2/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 69 µg/L 115% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019
Highest in the city: 105 µg/L — EL DORADO ID - STRAWBERRY · 400 people · 2019 | 4/5 | SYR4 |
| TTHM | 81.1 µg/L 101% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 4/5 | SYR4 |
| Chloroform | 78.1 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 4/5 | SYR4 |
| Trichloroacetic Acid | 50.1 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019
Highest in the city: 69.4 µg/L — EL DORADO ID - STRAWBERRY · 400 people · 2019 | 4/5 | SYR4 |
| Fluoride | 67 µg/L 1.7% of the EPA limit 4000 µg/L Highest in the city: CRYSTAL CAVES MHP · 112 people · 2019 | 1/5 | SYR4 |
| Dichloroacetic Acid | 23 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019
Highest in the city: 36.2 µg/L — EL DORADO ID - STRAWBERRY · 400 people · 2019 | 4/5 | SYR4 |
| Copper | 25 µg/L 1.9% of the EPA limit 1300 µg/L Highest in the city: CRYSTAL CAVES MHP · 112 people · 2019 | 1/5 | SYR4 |
| Combined Uranium | 10.281 µg/L 34% of the EPA limit 30 µg/L Highest in the city: CRYSTAL CAVES MHP · 112 people · 2015 | 1/5 | SYR4 |
| Monochloroacetic Acid | 7.86 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 4/5 | SYR4 |
| Bromodichloromethane | 4.02 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 4/5 | SYR4 |
| Monobromoacetic Acid | 1.5 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2019 | 2/5 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: EL DORADO ID - MAIN · 132,171 people · 2023
Highest in the city: 0.0051 mg/L — EL DORADO ID - OUTINGDALE · 535 people · 2023 | 5/5 | LCR |
| Pfpea | 0.0032 µg/L No EPA limit set Main supplier: EL DORADO ID - MAIN · 132,171 people · 2024 | 1/5 | UCMR-5 |
Water suppliers serving Placerville
| Supplier | Population served |
|---|---|
| EL DORADO ID - MAIN | 132,171 |
| PLACERVILLE, CITY OF - MAIN | 9,224 |
| EL DORADO ID - OUTINGDALE | 535 |
| EL DORADO ID - STRAWBERRY | 400 |
| CRYSTAL CAVES MHP | 112 |
Frequently asked questions about Placerville tap water
Is Placerville tap water safe to drink?
EPA testing detected 15 contaminants in the water serving Placerville. 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 Placerville?
5 public water suppliers report drinking-water monitoring for Placerville, California to the EPA. Each is listed above with its population served.
What contaminants are in Placerville's water?
The contaminants EPA monitoring detected in Placerville include Nitrate-Nitrite, Nitrate, Total Haloacetic Acids (HAA5), TTHM, Chloroform. 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.