What was found in Livermore'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 |
|---|---|---|---|
| TTHM | 82.2 µg/L 103% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2019 | 1/1 | SYR4 |
| Copper | 71.295 µg/L 5.5% of the EPA limit 1300 µg/L Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 60.55 µg/L 101% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2019 | 1/1 | SYR4 |
| Lead | 16 µg/L 107% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2017 | 1/1 | SYR4 |
| PFOA | 0.0065 µg/L No EPA limit set Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L Main supplier: NORTH MCLEAN CO WATER DISTRICT · 2,934 people · 2023 | 1/1 | LCR |
Water suppliers serving Livermore
| Supplier | Population served |
|---|---|
| NORTH MCLEAN CO WATER DISTRICT | 2,934 |
Frequently asked questions about Livermore tap water
Is Livermore tap water safe to drink?
EPA testing detected 6 contaminants in the water serving Livermore. 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 Livermore?
1 public water supplier report drinking-water monitoring for Livermore, Kentucky to the EPA. Each is listed above with its population served.
What contaminants are in Livermore's water?
The contaminants EPA monitoring detected in Livermore include TTHM, Copper, Total Haloacetic Acids (HAA5), Lead, PFOA. 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.