Washington · population 6,540
Lead pipes in Prosser, WA
97 lines still unidentified
Most of Prosser (population 6,540) gets its water from City of Prosser. It reported no confirmed lead service lines, but 97 of 332 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of City of Prosser's service lines are lead or galvanized requiring replacement, lower than the Washington average (0.3%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 29%
- Non-lead 71%
Latest lead test for City of Prosser (Jan 2021–Dec 2023): not detected 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 City of Prosser.
Water systems serving Prosser
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of ProsserMain system | 0 | 0 | 97 | 0% |
| Rainbow CourtServes nearby areas | 0 | 28 | 0 | 100% |
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 Prosser
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Prosser'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 Prosser, WA have lead pipes?
None are confirmed, but City of Prosser still lists 97 service lines as unknown material.
Who supplies water to Prosser?
EPA's service area maps place most of Prosser in City of Prosser's service area (PWSID WA5369750). Rainbow Court also serves parts of the city or nearby areas.
How do I check whether my Prosser home has a lead service line?
Search your address on City of Prosser'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 Prosser 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 City of Prosser whether your street is scheduled and whether it covers the private side.