Oklahoma · population 1,715
Lead pipes in Langston, OK
179 lines still unidentified
Most of Langston (population 1,715) gets its water from Langston Pwa. It reported no confirmed lead service lines, but 179 of 179 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Langston Pwa's service lines are lead or galvanized requiring replacement, lower than the Oklahoma average (0.9%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 100%
- Non-lead 0%
Latest lead test for Langston Pwa (Jan 2026–Jun 2026): 1.5 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, 1 still open for Langston Pwa.
Water systems serving Langston
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Langston PwaMain system | 0 | 0 | 179 | 0% |
| CoyleServes nearby areas | 0 | 0 | 180 | 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 Langston
The counts above cover the whole water system. To see whether your line is lead, look up your address on Langston Pwa'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 Langston, OK have lead pipes?
None are confirmed, but Langston Pwa still lists 179 service lines as unknown material.
Who supplies water to Langston?
EPA's service area maps place most of Langston in Langston Pwa's service area (PWSID OK1020911). Coyle also serves parts of the city or nearby areas.
How do I check whether my Langston home has a lead service line?
Search your address on Langston Pwa'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 Langston 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 Langston Pwa whether your street is scheduled and whether it covers the private side.