What was found in Spirit Lake's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 990 µg/L 25% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Nitrate | 970 µg/L 9.7% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Copper | 880 µg/L 68% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| TTHM | 97 µg/L 121% of the EPA limit, in the worst sample — 80 µg/L | 1/1 | SYR4 |
| Chloroform | 79 µg/L No EPA limit set | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 39 µg/L 65% of the EPA limit 60 µg/L | 1/1 | SYR4 |
| Dichloroacetic Acid | 27 µg/L No EPA limit set | 1/1 | SYR4 |
| Lithium | 19 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Bromodichloromethane | 14 µg/L No EPA limit set | 1/1 | SYR4 |
| Trichloroacetic Acid | 12 µg/L No EPA limit set | 1/1 | SYR4 |
| Lead | 9 µg/L 60% of the EPA limit 15 µg/L | 1/1 | SYR4 |
| Dibromochloromethane | 5.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Monochloroacetic Acid | 4 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromoacetic Acid | 2 µg/L No EPA limit set | 1/1 | SYR4 |
| Dalapon | 1.4 µg/L 0.7% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| Xylenes, Total | 0.6000 µg/L 0% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Bromoform | 0.5000 µg/L No EPA limit set | 1/1 | SYR4 |
| Pfba | 0.0056 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Spirit Lake
| Supplier | Population served |
|---|---|
| SPIRIT LAKE WATERWORKS | 6,167 |
Frequently asked questions about Spirit Lake tap water
Is Spirit Lake tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Spirit Lake. 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 Spirit Lake?
1 public water supplier report drinking-water monitoring for Spirit Lake, Iowa to the EPA. Each is listed above with its population served.
What contaminants are in Spirit Lake's water?
The contaminants EPA monitoring detected in Spirit Lake include Fluoride, Nitrate, Copper, TTHM, Chloroform. The full list, with the highest level found 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.