C
61

Fair Water Quality

Durham, NC 27705

Durham County · Population served: 322,396 · Data updated March 2026

Water Systems Serving This Area

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DURHAM, CITY OF
Surface water · Pop. 322,083
PWSID: NC0332010
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ARBOR HILL MHP
Groundwater · Pop. 96
PWSID: NC0368108
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HOMESTEAD MHP
Groundwater · Pop. 25
PWSID: NC0368119
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EUGLENA JUNCTION
Groundwater · Pop. 96
PWSID: NC0368162
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STONEGATE MHP S/D
Groundwater · Pop. 96
PWSID: NC0368193

PFAS / Forever Chemicals

4 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBS6.5 ppt2000 ppt100 pptBelow limit
PFOS5.8 ppt4 ppt4 pptExceeded
PFBA5.2 pptNo standard500 pptUnregulated
PFOA4.1 ppt4 ppt4 pptExceeded

Violation History (Last 5 Years)

40Total (5yr)
0Health-Based
4Major

Water Quality Summary

Understanding Your Water in Durham

Tap water quality in Durham, North Carolina (27705) receives an overall grade of C (Fair) with a score of 61 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 11 points below the North Carolina state average of 72. Compared to the national average (75), this area scores significantly lower. The area is served by 5 water systems providing water to approximately 322,396 people, using surface water and groundwater sources. Notably, 2 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals. The area has 40 violations over the past 5 years, though none were classified as health-based.

Your Score 61/100 C
vs State 11 pts below North Carolina avg (72)
vs National 14 pts below national avg (75)

What a Grade C Means

A score of 61/100 indicates fair water quality in Durham, NC. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Tap water in Durham, North Carolina receives a grade of C (Fair) with a score of 61/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 27705 is served by 5 water systems using surface water, groundwater sources, providing water to approximately 322,396 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 27705. 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 — 4 PFAS compounds were detected in water serving Durham, 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 Durham, North Carolina have received 40 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 Durham, 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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