What was found in Aberdeen's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 2900 µg/L 73% of the EPA limit 4000 µg/L | 18/34 | SYR4 |
| Copper | 2810 µg/L 216% of the EPA limit, in the worst sample — 1300 µg/L | 34/34 | SYR4 |
| Nitrate | 1400 µg/L 14% of the EPA limit 10000 µg/L | 7/34 | SYR4 |
| Nitrite | 1140 µg/L 114% of the EPA limit, in the worst sample — 1000 µg/L | 2/34 | SYR4 |
| Lead | 196 µg/L 1307% of the EPA limit, in the worst sample — 15 µg/L | 34/34 | SYR4 |
| Lithium | 100 µg/L No EPA limit set | 2/34 | UCMR-5 |
| Arsenic | 88 µg/L 880% of the EPA limit, in the worst sample — 10 µg/L | 5/34 | SYR4 |
| Barium | 72 µg/L 3.6% of the EPA limit 2000 µg/L | 15/34 | SYR4 |
| TTHM | 50.2 µg/L 63% of the EPA limit 80 µg/L | 13/34 | SYR4 |
| Total Haloacetic Acids (HAA5) | 44.8 µg/L 75% of the EPA limit 60 µg/L | 13/34 | SYR4 |
| Chromium | 20.6 µg/L 21% of the EPA limit 100 µg/L | 11/34 | SYR4 |
| Selenium | 8.2 µg/L 16% of the EPA limit 50 µg/L | 12/34 | SYR4 |
| Gross Alpha, Excl. Radon And U | 7.4 pCi/L 49% of the EPA limit 15 pCi/L | 3/34 | SYR4 |
| Antimony, Total | 0.3000 µg/L 5% of the EPA limit 6 µg/L | 1/34 | SYR4 |
| Thallium, Total | 0.1600 µg/L 8% of the EPA limit 2 µg/L | 1/34 | SYR4 |
| Pfba | 0.0081 µg/L No EPA limit set | 1/34 | UCMR-5 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L | 34/34 | LCR |
Water suppliers serving Aberdeen
| Supplier | Population served |
|---|---|
| ABERDEEN | 27,989 |
| WEB WATER DEVELOPMENT ASSOCIATION | 20,750 |
| MINA LAKE SANITARY DISTRICT | 863 |
| LAKESIDE ESTATES | 460 |
| COUNTRY VILLAGE PARK | 340 |
| PRAIRIEWOOD PROPERTY OWNERS | 300 |
| UPLAND COLONY | 198 |
| MAXWELL COLONY | 150 |
| FORDHAM COLONY | 142 |
| SUNSET COLONY | 140 |
| BLUMENGARD COLONY | 133 |
| EVERGREEN COLONY | 120 |
| CLEARFIELD COLONY | 120 |
| LAKEVIEW COLONY | 118 |
| WHITE ROCK COLONY | 108 |
| SPINK COLONY | 108 |
| JOBEE ACRES | 108 |
| PLEASANT VALLEY COLONY | 107 |
| PLEASANT VALLEY ESTATES | 105 |
| LONG LAKE COLONY | 100 |
| COLLINS COLONY | 95 |
| HURON COLONY | 95 |
| GLENDALE COLONY | 95 |
| PEARL CREEK COLONY | 94 |
| RED WILLOW COLONY | 93 |
| NORTHWOOD FIRST SUBDIVISION | 90 |
| WESTPORT SANITARY DISTRICT | 88 |
| GREENWOOD COLONY | 85 |
| ROLLING MEADOWS | 83 |
| RIVERSIDE COLONY | 80 |
| CAMROSE COLONY | 80 |
| THE MEADOWS | 80 |
| SHAMROCK COLONY | 75 |
| RICHMOND HEIGHTS HOMEOWNERS ASSOCIAT | 67 |
Frequently asked questions about Aberdeen tap water
Is Aberdeen tap water safe to drink?
EPA testing detected 17 contaminants in the water serving Aberdeen. 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 Aberdeen?
34 public water suppliers report drinking-water monitoring for Aberdeen, South Dakota to the EPA. Each is listed above with its population served.
What contaminants are in Aberdeen's water?
The contaminants EPA monitoring detected in Aberdeen include Fluoride, Copper, Nitrate, Nitrite, Lead. The full list, with the highest level found 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.