B
80

Good Water Quality

Flat Rock, NC 28731

Henderson County · Population served: 79,338 · Data updated March 2026

Water Systems Serving This Area

🏔
HENDERSONVILLE, CITY OF
Surface water · Pop. 79,278
PWSID: NC0145010
🌊
CRAB CREEK VALLEY S/D
Groundwater · Pop. 60
PWSID: NC1045015

Violation History (Last 5 Years)

7Total (5yr)
1Health-Based
2Major

Water Quality Summary

Understanding Your Water in Flat Rock

Tap water quality in Flat Rock, North Carolina (28731) receives an overall grade of B (Good) with a score of 80 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 8 points above the North Carolina state average of 72. The area is served by 2 water systems providing water to approximately 79,338 people, using surface water and groundwater sources. Over the past 5 years, water systems here have accumulated 7 violations, including 1 health-based violations.

Your Score 80/100 B
vs State 8 pts above North Carolina avg (72)
vs National 5 pts above national avg (75)

What a Grade B Means

A score of 80/100 means the water in Flat Rock, 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
Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Flat Rock, North Carolina receives a grade of B (Good) with a score of 80/100. 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 28731 is served by 2 water systems using surface water, groundwater sources, providing water to approximately 79,338 people. Multiple source types mean your water may come from a blend of surface and underground sources.

No lead data is currently available for ZIP code 28731. 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 Flat Rock, 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 Flat Rock, North Carolina have received 7 violations in the last 5 years, including 1 health-based violation. 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 Flat Rock, 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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