B
82

Good Water Quality

Clayton, NC 27528

Johnston County · Population served: 34,212 · Data updated March 2026

Water Systems Serving This Area

🏔
CLAYTON, TOWN OF
Surface water · Pop. 29,689
PWSID: NC0351020
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TOWN OF CLAYTON - NORTH
Surface water · Pop. 4,523
PWSID: NC4051019

PFAS / Forever Chemicals

5 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOA8.2 ppt4 ppt4 pptExceeded
PFOS8.1 ppt4 ppt4 pptExceeded
PFPeA6.4 pptNo standardUnregulated
PFHxA5.9 pptNo standard400 pptUnregulated
PFBS4.0 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

3Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Clayton

Tap water quality in Clayton, North Carolina (27528) receives an overall grade of B (Good) with a score of 82 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 10 points above the North Carolina state average of 72. The area is served by 2 water systems providing water to approximately 34,212 people, using surface water sources. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals.

Your Score 82/100 B
vs State 10 pts above North Carolina avg (72)
vs National 7 pts above national avg (75)

What a Grade B Means

A score of 82/100 means the water in Clayton, NC is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Surface water: sourced from rivers, lakes, or reservoirs

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Clayton, North Carolina receives a grade of B (Good) with a score of 82/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 27528 is served by 2 water systems using surface water sources, providing water to approximately 34,212 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

No lead data is currently available for ZIP code 27528. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

Yes — 5 PFAS compounds were detected in water serving Clayton, North Carolina, and 2 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Clayton, North Carolina have received 3 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (PFAS), residents in Clayton, North Carolina should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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