What was found in Worthington'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 | 1773 µg/L 136% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Fluoride | 1040 µg/L 26% of the EPA limit 4000 µg/L Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 490 µg/L 4.9% of the EPA limit 10000 µg/L Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Lithium | 53.4 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2025 | 1/1 | UCMR-5 |
| Chloroform | 50 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Barium | 33.5 µg/L 1.7% of the EPA limit 2000 µg/L Main supplier: Worthington · 14,052 people · 2014 | 1/1 | SYR4 |
| Trichloroacetic Acid | 25 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 22.25 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 15 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.62 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Lead | 5.6 µg/L 37% of the EPA limit 15 µg/L Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 4.955 pCi/L 33% of the EPA limit 15 pCi/L Main supplier: Worthington · 14,052 people · 2017 | 1/1 | SYR4 |
| Monochloroacetic Acid | 3.1 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Arsenic | 2.905 µg/L 29% of the EPA limit 10 µg/L Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.33 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.195 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Bromoform | 0.9350 µg/L No EPA limit set Main supplier: Worthington · 14,052 people · 2019 | 1/1 | SYR4 |
| Chromium | 0.3195 µg/L 0.3% of the EPA limit 100 µg/L Main supplier: Worthington · 14,052 people · 2014 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: Worthington · 14,052 people · 2023 | 1/1 | LCR |
Water suppliers serving Worthington
| Supplier | Population served |
|---|---|
| Worthington | 14,052 |
Frequently asked questions about Worthington tap water
Is Worthington tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Worthington. 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 Worthington?
1 public water supplier report drinking-water monitoring for Worthington, Minnesota to the EPA. Each is listed above with its population served.
What contaminants are in Worthington's water?
The contaminants EPA monitoring detected in Worthington include Copper, Fluoride, Nitrate-Nitrite, Lithium, Chloroform. 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.