C52/100
BLOWING ROCK, TOWN OF — Water Quality Report 2026
Serving 1,637 people · North Carolina
Water Source
Surface Water
County
—
System ID
NC0195020
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.20 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
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: January 1, 2023 – March 31, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
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
Frequently Asked Questions About BLOWING ROCK, TOWN OF
Is BLOWING ROCK, TOWN OF water safe to drink?
BLOWING ROCK, TOWN OF water receives a grade of C (52/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BLOWING ROCK, TOWN OF detected?
52 contaminants were tested in BLOWING ROCK, TOWN OF's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does BLOWING ROCK, TOWN OF have any EPA violations?
Yes, BLOWING ROCK, TOWN OF has 12 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL, Other. 7 are health-based violations.
How many people does BLOWING ROCK, TOWN OF serve?
BLOWING ROCK, TOWN OF serves approximately 1,637 people, North Carolina. The system provides water to 1 community: Blowing Rock.
What type of water does BLOWING ROCK, TOWN OF provide?
BLOWING ROCK, TOWN OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NC0195020.
How does BLOWING ROCK, TOWN OF compare to other utilities in North Carolina?
BLOWING ROCK, TOWN OF scores 52/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our North Carolina state page for a full comparison of water systems.