B70/100
Gastonia Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 98,388 residents · North Carolina
What's In Gastonia's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
TWO RIVERS UTILITIES
Population Served
93,877
Water Source
Surface Water
System ID
NC0136010
RANLO, TOWN OF
Population Served
4,511
Water Source
Purchased Surface Water
System ID
NC0136034
Frequently Asked Questions About Gastonia Water
Is Gastonia tap water safe to drink?
Gastonia, North Carolina tap water receives a grade of B (70/100), which is considered good. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Gastonia's water?
Of the 69 contaminants tested in Gastonia's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Gastonia have any water quality violations?
Yes, Gastonia has 37 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Gastonia?
Gastonia water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Gastonia's tap water come from?
Gastonia's drinking water is sourced from surface water and supplied by TWO RIVERS UTILITIES and 1 other water system(s). The system serves approximately 98,388 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Gastonia's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Gastonia's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Gastonia's water compare to other cities in North Carolina?
Gastonia's water quality score of 70/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our North Carolina state page to see how all cities in the state compare.
What should I do if I'm concerned about Gastonia's water quality?
If you have concerns about Gastonia's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (TWO RIVERS UTILITIES) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.