Pulaski County, AR · PWSID AR0000465
Central Arkansas Water lead service lines
9,804 lead or galvanized lines to replace
Central Arkansas Water reported 0 lead and 9,804 galvanized-requiring-replacement service lines out of 172,233 in its inventory. That's about 1 in 18 lines. Another 3,953 (2.3%) are still listed as unknown material.
Ranks #1 of 18 Arkansas systems with confirmed lead lines, and #48 nationally.
5.7% of Central Arkansas Water's service lines are lead or galvanized requiring replacement. That's higher than the Arkansas average (0.9%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 5.7%
- Unknown 2.3%
- Non-lead 92%
Total service lines reported: 172,233. Reported all required service line types. Population served: 368,455; 167,722 connections.
Lead test results
Central Arkansas Water's most recent 90th-percentile lead result (Jan 2023–Dec 2025) was 1 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 9,101 in 2025 Q1 to 9,804 in 2026 Q3: up 703 (7.7%). Lines of unknown material went from 6,652 to 3,953, down 2,699 (41%).
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 Central Arkansas Water 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
Central Arkansas Water's main water source is surface water (rivers, lakes or reservoirs). It sells water to 11 other water systems: Cabot Waterworks, Wye Mountain Water Association, Jacksonville Waterworks, Bryant Waterworks, Saline Co WW SS PFB, Salem Water Users LLC, Sardis Water Association, Mid-Arkansas Utilities P.W.A, Shannon Hills Water Dept, Camp Robinson, Central Arkansas Water Paron.
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 Central Arkansas Water 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 Pulaski County
Cities served
ZIP codes served
ZIP codes whose center falls inside Central Arkansas Water's mapped service area (EPA service area boundaries). Neighboring utilities may serve parts of the same ZIP.
7205372113721147211672117721187213572183722017220272204722057220672207722097221072211722127222372227
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Jacksonville Waterworks | 0 | 19,728 |
| Cabot Waterworks | 0 | 2,105 |
| Mid-Arkansas Utilities P.W.A | 0 | 2,021 |
| US Air Force Base Little Rock | 0 | 990 |
| Perryville Waterworks | 0 | 0 |
| Maumelle Water Corporation | 0 | 552 |
| Wye Mountain Water Association | 0 | 0 |
| Liberty - Woodson / Hensley Wat | 0 | 344 |
Check another water system
Questions
Does Central Arkansas Water have lead pipes?
Yes. Central Arkansas Water reported 0 lead service lines and 9,804 galvanized lines that must be replaced, out of 172,233 total. 3,953 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Central Arkansas Water'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 Central Arkansas Water 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 Central Arkansas Water had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for Central Arkansas Water.
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, "Central Arkansas Water lead service lines," https://leadpipemap.com/ar/central-arkansas-water/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.