Lead Pipe Map

Oklahoma · population 1,986

Lead pipes in Chelsea, OK

1,381 lines still unidentified

Most of Chelsea (population 1,986) gets its water from Mayes Co RWD # 5. It reported no confirmed lead service lines, but 1,381 of 1,749 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Mayes Co RWD # 5's service lines are lead or galvanized requiring replacement, lower than the Oklahoma average (0.9%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
1,381Unknown material
368Non-lead

Latest lead test for Mayes Co RWD # 5 (Jan 2024–Dec 2026): 1.1 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Mayes Co RWD # 5.

Water systems serving Chelsea

Water systemLeadGalv.Unknown% lead
Mayes Co RWD # 5Main system001,3810%
Chelsea Economic Dev. Auth.Serves nearby areas0228142.0%

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 Chelsea

The counts above cover the whole water system. To see whether your line is lead, look up your address on Mayes Co RWD # 5's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapMayes Co RWD # 5 details

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.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Chelsea, OK have lead pipes?

None are confirmed, but Mayes Co RWD # 5 still lists 1,381 service lines as unknown material.

Who supplies water to Chelsea?

EPA's service area maps place most of Chelsea in Mayes Co RWD # 5's service area (PWSID OK3004616). Chelsea Economic Dev. Auth. also serves parts of the city or nearby areas.

How do I check whether my Chelsea home has a lead service line?

Search your address on Mayes Co RWD # 5'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 Chelsea 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 Mayes Co RWD # 5 whether your street is scheduled and whether it covers the private side.