Pittsburg County, OK · PWSID OK1020609
McAlester Pwa lead service lines
69 lead or galvanized lines to replace
McAlester Pwa reported 0 lead and 69 galvanized-requiring-replacement service lines out of 7,545 in its inventory. That's about 1 in 109 lines. Another 5,234 (69%) are still listed as unknown material.
Ranks #40 of 155 Oklahoma systems with confirmed lead lines, and #2,263 nationally.
0.9% of McAlester Pwa's service lines are lead or galvanized requiring replacement. That's about the same as the Oklahoma average (0.9%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0.9%
- Unknown 69%
- Non-lead 30%
Total service lines reported: 7,545. Reported all required service line types. Population served: 18,206; 7,545 connections.
Lead test results
McAlester Pwa's most recent 90th-percentile lead result (Jan 2023–Dec 2025) was 3.6 ppb, below both the 15 ppb action level and the 10 ppb level that takes effect in 2027. This means 90% of homes sampled were at or below that level; individual homes, especially those with lead lines, can be higher.
Lead and Copper Rule 90th-percentile results reported to EPA, in parts per billion. Dashed lines: 15 ppb action level and the 10 ppb level from November 1, 2027.
Progress since 2025 Q1
Reported lead and galvanized-requiring-replacement lines went from 0 in 2025 Q1 to 69 in 2026 Q3: up 69. Lines of unknown material went from 8,174 to 5,234, down 2,940 (36%).
Quarterly counts reported to EPA. A drop usually means lines were replaced or confirmed non-lead; a rise usually means more lines were identified. Replacement progress rankings.
Lead rule violations
EPA's data lists no Lead and Copper Rule violations for McAlester Pwa since 2015. That covers testing, reporting, corrosion control and public notice requirements; it isn't a guarantee about any individual home.
Source: EPA SDWIS violation records for the Lead and Copper Rule.
Where the water comes from
McAlester Pwa's main water source is surface water (rivers, lakes or reservoirs). It sells water to 5 other water systems: Pittsburg Co. RWD #16, Pittsburg Co. RWD #7 (Arpelar), Pittsburg Co. RWD #5, Pittsburg Co. RWD #9 (McAlester), Pittsburg Co. RWD #6 (Alderson).
Source: EPA SDWIS water system and facility records.
Check your own address
These counts cover the whole system. To see whether your line is lead, use the utility's address-level inventory. Utilities had to prepare one by October 16, 2024 and make it publicly accessible; systems serving more than 50,000 people must post it online.
No map yet? Do the 2-minute scratch and magnet test on the pipe where water enters your home.
Protect your drinking water now
If your line is lead, galvanized or unknown, filter water for drinking, cooking and baby formula. Use a filter certified to NSF/ANSI 53 for lead. Run cold water for a few minutes after it sits for hours, and never use hot tap water for cooking.
How to pick a lead-certified filter · How to test your water for lead
Getting the line replaced
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask McAlester Pwa whether it replaces the private side for free or with a cost share before you hire anyone. If you want it done sooner, or your utility doesn't cover your side, a licensed plumber can quote it. What replacement costs.
County pages: Lead pipes in Pittsburg County
Cities served
ZIP codes served
ZIP codes whose center falls inside McAlester Pwa's mapped service area (EPA service area boundaries). Neighboring utilities may serve parts of the same ZIP.
74501
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Longtown RW&SD #1 (Pittsburg Co.) | 0 | 2,274 |
| Krebs Utility Authority | 0 | 1,086 |
| Indianola RWD #18 | 0 | 558 |
| US Army Ammunition Plant | 4 | 149 |
| Quinton | 2 | 0 |
| Haileyville | 2 | 0 |
| Savanna | 0 | 265 |
| Kiowa | 0 | 279 |
Check another water system
Questions
Does McAlester Pwa have lead pipes?
Yes. McAlester Pwa reported 0 lead service lines and 69 galvanized lines that must be replaced, out of 7,545 total. 5,234 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on McAlester Pwa's official service line inventory, which utilities must make publicly available. You can also scratch the pipe where it enters your home: lead is soft, dull gray, scratches to shiny silver and does not attract a magnet.
When will McAlester Pwa replace lead service lines?
Under EPA's Lead and Copper Rule Improvements, most systems must replace lead and galvanized-requiring-replacement lines by December 31, 2037, starting from November 1, 2027. The rule is being challenged in court, so dates could change. Many utilities run free or cost-share programs now.
Has McAlester Pwa had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for McAlester Pwa.
Which water filters remove lead?
Use a filter certified to NSF/ANSI Standard 53 for lead reduction, or NSF/ANSI 58 for reverse osmosis. Check the certification on NSF's listings, not just the box.
Embed or cite this data
Local news sites, blogs and community groups can embed this card. It updates when EPA releases new data.
Citation: Lead Pipe Map, "McAlester Pwa lead service lines," https://leadpipemap.com/ok/mcalester-pwa/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.