C59/100
Williamson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,991 residents · North Carolina
What's In Williamson's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – December 16, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – December 16, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 30, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 30, 2024Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – November 7, 2023Enforcement: Resolving — corrective action underway
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
MARTIN CO WATER & SEWER DIST I
Population Served
2,245
Water Source
Groundwater
System ID
NC6059003
MARTIN CO WATER & SEWER DIST 2
Population Served
2,746
Water Source
Purchased Surface Water
System ID
NC6059009
Frequently Asked Questions About Williamson Water
Is Williamson tap water safe to drink?
Williamson, North Carolina tap water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 70 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Williamson's water?
1 contaminants were tested in Williamson's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Williamson have any water quality violations?
Yes, Williamson has 70 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, RPT, MR. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Williamson?
Williamson 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. All contaminants are within health goals.
Where does Williamson's tap water come from?
Williamson's drinking water is sourced from groundwater and supplied by MARTIN CO WATER & SEWER DIST I and 1 other water system(s). The system serves approximately 4,991 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Williamson'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. Williamson'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 Williamson's water compare to other cities in North Carolina?
Williamson's water quality score of 59/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our North Carolina state page to see how all cities in the state compare.
What should I do if I'm concerned about Williamson's water quality?
If you have concerns about Williamson'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 (MARTIN CO WATER & SEWER DIST I) 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.