B
72

Good Water Quality

Jacksonville, NC 28546

Onslow County · Population served: 205,848 · Data updated March 2026

Water Systems Serving This Area

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JACKSONVILLE CITY OF
Groundwater · Pop. 49,093
PWSID: NC0467010
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ONSLOW WTR AND SEWER AUTHORITY
Groundwater · Pop. 156,755
PWSID: NC0467035

Violation History (Last 5 Years)

19Total (5yr)
4Health-Based
2Major

Water Quality Summary

Understanding Your Water in Jacksonville

Tap water quality in Jacksonville, North Carolina (28546) receives an overall grade of B (Good) with a score of 72 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the North Carolina state average of 72. The area is served by 2 water systems providing water to approximately 205,848 people, using groundwater sources. Over the past 5 years, water systems here have accumulated 19 violations, including 4 health-based violations.

Your Score 72/100 B
vs State 0 pts below North Carolina avg (72)
vs National 3 pts below national avg (75)

What a Grade B Means

A score of 72/100 means the water in Jacksonville, 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.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Jacksonville, North Carolina receives a grade of B (Good) with a score of 72/100. 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 28546 is served by 2 water systems using groundwater sources, providing water to approximately 205,848 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 28546. 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.

No PFAS ("forever chemicals") were detected in water systems serving Jacksonville, North Carolina during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Jacksonville, North Carolina have received 19 violations in the last 5 years, including 4 health-based violations. 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.

Water in Jacksonville, North Carolina shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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