What was found in Sheldon'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 | 1990 µg/L 20% of the EPA limit 10000 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Copper | 1005 µg/L 77% of the EPA limit 1300 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2018 | 1/1 | SYR4 |
| Fluoride | 700 µg/L 18% of the EPA limit 4000 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2015 | 1/1 | SYR4 |
| TTHM | 94.325 µg/L 118% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Barium | 68.6 µg/L 3.4% of the EPA limit 2000 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2015 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 53.225 µg/L 89% of the EPA limit 60 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Lithium | 44 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2025 | 1/1 | UCMR-5 |
| Monochloroacetic Acid | 43.59 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 31.2 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Chloroform | 30.1 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 29.925 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 10.805 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Bromoform | 9.622 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 7.9135 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 6.93 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Lead | 6.07 µg/L 40% of the EPA limit 15 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2018 | 1/1 | SYR4 |
| Monobromoacetic Acid | 5.406 µg/L No EPA limit set Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 3.785 pCi/L 76% of the EPA limit 5 pCi/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2018 | 1/1 | SYR4 |
| Selenium | 1.8 µg/L 3.6% of the EPA limit 50 µg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2015 | 1/1 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: SHELDON WATER DEPARTMENT · 5,512 people · 2024 | 1/1 | LCR |
Water suppliers serving Sheldon
| Supplier | Population served |
|---|---|
| SHELDON WATER DEPARTMENT | 5,512 |
Frequently asked questions about Sheldon tap water
Is Sheldon tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Sheldon. 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 Sheldon?
1 public water supplier report drinking-water monitoring for Sheldon, Iowa to the EPA. Each is listed above with its population served.
What contaminants are in Sheldon's water?
The contaminants EPA monitoring detected in Sheldon include Nitrate, Copper, Fluoride, TTHM, Barium. 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.