What was found in Sturgis'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 |
|---|---|---|---|
| Fluoride | 2195 µg/L 55% of the EPA limit 4000 µg/L Highest in the city: SHIRT TAIL GULCH DEVELOPMENT · 65 people · 2017 | 6/10 | SYR4 |
| Nitrate | 1490 µg/L 15% of the EPA limit 10000 µg/L Main supplier: STURGIS · 7,020 people · 2019 | 6/10 | SYR4 |
| Copper | 269.65 µg/L 21% of the EPA limit 1300 µg/L Main supplier: STURGIS · 7,020 people · 2018
Highest in the city: 722.2 µg/L — BOULDER PARK WATER USERS ASSOCIATION · 200 people · 2019 | 10/10 | SYR4 |
| Barium | 121 µg/L 6.1% of the EPA limit 2000 µg/L Main supplier: STURGIS · 7,020 people · 2012
Highest in the city: 234.75 µg/L — BLUCKSBERG MOUNTAIN #1 · 223 people · 2018 | 7/10 | SYR4 |
| Gross Alpha, Excl. Radon And U | 34.56 pCi/L 230% of the EPA limit, at the 95th percentile of samples — 15 pCi/L Highest in the city: SHIRT TAIL GULCH DEVELOPMENT · 65 people · 2019 | 5/10 | SYR4 |
| TTHM | 13.05 µg/L 16% of the EPA limit 80 µg/L Main supplier: STURGIS · 7,020 people · 2019
Highest in the city: 21.049 µg/L — BEAR BUTTE VALLEY WATER · 882 people · 2019 | 7/10 | SYR4 |
| Arsenic | 8.85 µg/L 89% of the EPA limit 10 µg/L Highest in the city: SHIRT TAIL GULCH DEVELOPMENT · 65 people · 2017 | 2/10 | SYR4 |
| Lead | 4.05 µg/L 27% of the EPA limit 15 µg/L Main supplier: STURGIS · 7,020 people · 2018
Highest in the city: 8.05 µg/L — SACORA MOBILE HOME PARK · 42 people · 2019 | 10/10 | SYR4 |
| Combined Uranium | 1.84 µg/L 6.1% of the EPA limit 30 µg/L Highest in the city: SHIRT TAIL GULCH DEVELOPMENT · 65 people · 2019 | 1/10 | SYR4 |
| Total Haloacetic Acids (HAA5) | 1.35 µg/L 2.3% of the EPA limit 60 µg/L Main supplier: STURGIS · 7,020 people · 2019
Highest in the city: 1.6 µg/L — PINE CONE ESTATES · 42 people · 2019 | 3/10 | SYR4 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: STURGIS · 7,020 people · 2024
Highest in the city: 0.0080 mg/L — VALHALLA ADDITION · 38 people · 2025 | 10/10 | LCR |
Water suppliers serving Sturgis
| Supplier | Population served |
|---|---|
| STURGIS | 7,020 |
| BEAR BUTTE VALLEY WATER | 882 |
| VALLEY HEIGHTS ESTATES INC | 320 |
| BLUCKSBERG MOUNTAIN #1 | 223 |
| BOULDER PARK WATER USERS ASSOCIATION | 200 |
| SHIRT TAIL GULCH DEVELOPMENT | 65 |
| SACORA MOBILE HOME PARK | 42 |
| PINE CONE ESTATES | 42 |
| 76 RANCH ESTATES | 40 |
| VALHALLA ADDITION | 38 |
Frequently asked questions about Sturgis tap water
Is Sturgis tap water safe to drink?
EPA testing detected 11 contaminants in the water serving Sturgis. 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 Sturgis?
10 public water suppliers report drinking-water monitoring for Sturgis, South Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Sturgis's water?
The contaminants EPA monitoring detected in Sturgis include Fluoride, Nitrate, Copper, Barium, Gross Alpha, Excl. Radon And U. 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.