D
39

Poor Water Quality

Dallas, NC 28034

Gaston County · Population served: 102,613 · Data updated March 2026

Water Systems Serving This Area

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TWO RIVERS UTILITIES
Surface water · Pop. 93,877
PWSID: NC0136010
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RAGAN VILLAGE WATER ASSOC
Groundwater · Pop. 100
PWSID: NC0136055
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DALLAS, TOWN OF
Surface water · Pop. 8,125
PWSID: NC0136065
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HICKORY GROVE MHP
Groundwater · Pop. 69
PWSID: NC0136240
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SPENCER MOUNTAIN VILLAGE
Surface water · Pop. 442
PWSID: NC2036024

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
5.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

6 detected 1 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA8.5 pptNo standardUnregulated
PFHxA8.2 pptNo standard400 pptUnregulated
PFBA7.7 pptNo standard500 pptUnregulated
PFOA4.4 ppt4 ppt4 pptExceeded
PFBS3.9 ppt2000 ppt100 pptBelow limit
PFHpA3.1 pptNo standardUnregulated

Violation History (Last 5 Years)

63Total (5yr)
14Health-Based
15Major

Water Quality Summary

Understanding Your Water in Dallas

Tap water quality in Dallas, North Carolina (28034) receives an overall grade of D (Poor) with a score of 39 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 33 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 102,613 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 63 violations, including 14 health-based violations.

Your Score 39/100 D
vs State 33 pts below North Carolina avg (72)
vs National 36 pts below national avg (75)

What a Grade D Means

A score of 39/100 signals poor water quality in Dallas, NC. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

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

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Dallas, North Carolina receives a grade of D (Poor) with a score of 39/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 28034 is served by 5 water systems using surface water, groundwater sources, providing water to approximately 102,613 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 5.0 ppb in Dallas, North Carolina. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 6 PFAS compounds were detected in water serving Dallas, North Carolina, and 1 exceeds 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 Dallas, North Carolina have received 63 violations in the last 5 years, including 14 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.

Based on detected contaminants (lead, PFAS), residents in Dallas, 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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