What was found in Garden Grove'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 |
|---|---|---|---|
| Copper | 130.95 µg/L 10% of the EPA limit 1300 µg/L Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| TTHM | 71.16499999999999 µg/L 89% of the EPA limit 80 µg/L Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Chloroform | 61.91999999999999 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 39.85 µg/L 66% of the EPA limit 60 µg/L Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 22.799999999999997 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 13.575 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 10.219999999999999 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 7.293999999999999 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 2.2399999999999998 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Lead | 2.0629999999999997 µg/L 14% of the EPA limit 15 µg/L Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.049 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0093 µg/L No EPA limit set Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0018 mg/L 12% of the EPA limit 0.0150 mg/L Main supplier: GARDEN GROVE WATER SUPPLY · 179 people · 2025 | 1/1 | LCR |
Water suppliers serving Garden Grove
| Supplier | Population served |
|---|---|
| GARDEN GROVE WATER SUPPLY | 179 |
Frequently asked questions about Garden Grove tap water
Is Garden Grove tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Garden Grove. 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 Garden Grove?
1 public water supplier report drinking-water monitoring for Garden Grove, Iowa to the EPA. Each is listed above with its population served.
What contaminants are in Garden Grove's water?
The contaminants EPA monitoring detected in Garden Grove include Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5), Dichloroacetic Acid. 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.