What was found in Independence'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 | 9100 µg/L 91% of the EPA limit 10000 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 2/3 | SYR4 |
| Fluoride | 971.5 µg/L 24% of the EPA limit 4000 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 3/3 | SYR4 |
| Barium | 454.2 µg/L 23% of the EPA limit 2000 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2013 | 3/3 | SYR4 |
| Copper | 176.45 µg/L 14% of the EPA limit 1300 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2018
Highest in the city: 198.65 µg/L — RIVER RIDGE HOA · 60 people · 2018 | 3/3 | SYR4 |
| TTHM | 36.86 µg/L 46% of the EPA limit 80 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 34.8 µg/L 58% of the EPA limit 60 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Monochloroacetic Acid | 25.44 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Lead | 18.9 µg/L 126% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2018 | 3/3 | SYR4 |
| Chloroform | 15.3 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Bromodichloromethane | 12.15 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Selenium | 3.415 µg/L 6.8% of the EPA limit 50 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2013
Highest in the city: 9 µg/L — PINTS WATER ASSOCIATION · 96 people · 2016 | 2/3 | SYR4 |
| Dibromochloromethane | 7.788 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Dichloroacetic Acid | 7.285 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Arsenic | 2.235 µg/L 22% of the EPA limit 10 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2013
Highest in the city: 4.4 µg/L — RIVER RIDGE HOA · 60 people · 2013 | 2/3 | SYR4 |
| Dibromoacetic Acid | 4.138 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Trichloroacetic Acid | 3.048 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 2.51 pCi/L 50% of the EPA limit 5 pCi/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2018 | 1/3 | SYR4 |
| Bromoform | 1.765 µg/L No EPA limit set Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2019 | 1/3 | SYR4 |
| Thallium, Total | 0.4000 µg/L 20% of the EPA limit 2 µg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2013 | 1/3 | SYR4 |
| Lead | 0.0071 mg/L 47% of the EPA limit 0.0150 mg/L Main supplier: INDEPENDENCE WATER DEPT · 6,064 people · 2024
Highest in the city: 0.0131 mg/L — PINTS WATER ASSOCIATION · 96 people · 2023 | 3/3 | LCR |
Water suppliers serving Independence
| Supplier | Population served |
|---|---|
| INDEPENDENCE WATER DEPT | 6,064 |
| PINTS WATER ASSOCIATION | 96 |
| RIVER RIDGE HOA | 60 |
Frequently asked questions about Independence tap water
Is Independence tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Independence. 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 Independence?
3 public water suppliers report drinking-water monitoring for Independence, Iowa to the EPA. Each is listed above with its population served.
What contaminants are in Independence's water?
The contaminants EPA monitoring detected in Independence include Nitrate, Fluoride, Barium, Copper, TTHM. 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.