Compliance record
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 22.34 µg/L 1.7% of the EPA limit 1300 µg/L
worst single sample: 33.7 µg/L | 17/18 | SYR4 | 2013–2019 |
| Nitrate | 2591 µg/L 26% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2024 |
| Nitrate-Nitrite | 2565.31 µg/L 26% of the EPA limit 10000 µg/L
worst single sample: 2591 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.1575 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 4/5 | SYR4 | 2013–2019 |
| Barium | 77.718 µg/L 3.9% of the EPA limit 2000 µg/L
worst single sample: 77.72 µg/L | 3/3 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.46 µg/L No EPA limit set
worst single sample: 2.51 µg/L | 3/5 | SYR4 | 2013–2019 |
| Chloroform | 2.035 µg/L No EPA limit set
worst single sample: 2.06 µg/L | 3/5 | SYR4 | 2013–2019 |
| Di(2-ethylhexyl) Phthalate | 0.6480 µg/L 11% of the EPA limit 6 µg/L
worst single sample: 0.6700 µg/L | 3/7 | SYR4 | 2014–2018 |
| TTHM | 7.202 µg/L 9% of the EPA limit 80 µg/L
worst single sample: 7.4 µg/L | 3/3 | SYR4 | 2013–2019 |
| Bromoform | 0.7700 µg/L No EPA limit set | 1/5 | SYR4 | 2013–2019 |
| Chromium | 0.7000 µg/L 0.7% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 0.8900 pCi/L 18% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2013 |
| Dichloroacetic Acid | 1.13 µg/L No EPA limit set | 1/2 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 1.13 µg/L 1.9% of the EPA limit 60 µg/L | 1/2 | SYR4 | 2013–2019 |
61 contaminants tested, none detected
Frequently asked questions about Willow Lake Pump District
Is Willow Lake Pump District tap water safe to drink?
EPA monitoring detected 15 contaminants in Willow Lake Pump District's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Willow Lake Pump District's water?
EPA monitoring detected Copper, Nitrate, Lead, Nitrate-Nitrite, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Willow Lake Pump District serve?
Willow Lake Pump District reports serving 120 people, per its EPA record.
Has Willow Lake Pump District had any water quality violations?
The EPA has no formal drinking-water violations on file for Willow Lake Pump District.
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.