South Dakota · population 23,492
Lead pipes in Watertown, SD
3,368 lines still unidentified
Most of Watertown (population 23,492) gets its water from Watertown Municipal Utilities. It reported no confirmed lead service lines, but 3,368 of 9,968 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Watertown Municipal Utilities's service lines are lead or galvanized requiring replacement, lower than the South Dakota average (0.8%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 34%
- Non-lead 66%
Latest lead test for Watertown Municipal Utilities (2024): 2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Watertown Municipal Utilities.
Water systems serving Watertown
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Watertown Municipal UtilitiesMain system | 0 | 0 | 3,368 | 0% |
| Sioux Rural Water SystemAlso serves parts of the city | 0 | 0 | 0 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Watertown
The counts above cover the whole water system. To see whether your line is lead, look up your address on Watertown Municipal Utilities's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
Check another water system
Questions
Does Watertown, SD have lead pipes?
None are confirmed, but Watertown Municipal Utilities still lists 3,368 service lines as unknown material.
Who supplies water to Watertown?
EPA's service area maps place most of Watertown in Watertown Municipal Utilities's service area (PWSID SD4600356). Sioux Rural Water System also serves parts of the city or nearby areas.
How do I check whether my Watertown home has a lead service line?
Search your address on Watertown Municipal Utilities's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Watertown be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Watertown Municipal Utilities whether your street is scheduled and whether it covers the private side.