Delco, NC · PWSID NC7024013
Columbus County Water Dist IV lead service lines
31 lead or galvanized lines to replace
Columbus County Water Dist IV reported 0 lead and 31 galvanized-requiring-replacement service lines out of 957 in its inventory. That's about 1 in 31 lines. Another 0 (0%) are still listed as unknown material.
Ranks #64 of 158 North Carolina systems with confirmed lead lines, and #3,169 nationally.
3.2% of Columbus County Water Dist IV's service lines are lead or galvanized requiring replacement. That's higher than the North Carolina average (0.4%) and about the same as the national average (3.1%).
- Lead 0%
- Galvanized (replace) 3.2%
- Unknown 0%
- Non-lead 97%
Total service lines reported: 957. Reported all required service line types. Population served: 2,598; 1,023 connections.
Lead test results
Columbus County Water Dist IV's most recent 90th-percentile lead result (Jan 2023–Dec 2025) was not detected, 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 31 in 2025 Q1 to 31 in 2026 Q3: no change. Lines of unknown material went from 0 to 0, no change.
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 3 Lead and Copper Rule violations since 2015, 1 still open for Columbus County Water Dist IV. Health-based violations are treatment failures, such as corrosion control or public education; the rest are missed monitoring or reporting.
| Began | Violation | Status |
|---|---|---|
| Jan 2025 | Lead consumer notice not delivered or reported | Open |
| Jan 2022 | Lead consumer notice not delivered or reported | Returned to compliance |
| Jan 2019 | Lead consumer notice not delivered or reported | Returned to compliance |
Source: EPA SDWIS violation records for the Lead and Copper Rule.
Where the water comes from
Columbus County Water Dist IV's main water source is groundwater (wells).
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 Columbus County Water Dist IV 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 Columbus County
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| City of Whiteville | 0 | 1,283 |
| Town of Tabor City | 66 | 42 |
| Town of Lake Waccamaw | 0 | 51 |
| Town of Chadbourn | 66 | 78 |
| Town of Fair Bluff | 63 | 0 |
| Town of Bolton | 0 | 445 |
| Town of Brunswick | 24 | 6 |
| Dutchess Forest S/D | 19 | 1 |
Check another water system
Questions
Does Columbus County Water Dist IV have lead pipes?
Yes. Columbus County Water Dist IV reported 0 lead service lines and 31 galvanized lines that must be replaced, out of 957 total. 0 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Columbus County Water Dist IV'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 Columbus County Water Dist IV 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 Columbus County Water Dist IV had lead violations?
EPA's data shows 3 Lead and Copper Rule violations since 2015, 1 still open for Columbus County Water Dist IV.
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, "Columbus County Water Dist IV lead service lines," https://leadpipemap.com/nc/columbus-county-water-dist-iv/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.