B61/100
ROCK HILL CITY OF (SC4610002) — Water Quality Report 2026
Serving 82,846 people · South Carolina
Water Source
Surface Water
County
—
System ID
SC4610002
Violations
16
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 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
Frequently Asked Questions About ROCK HILL CITY OF (SC4610002)
Is ROCK HILL CITY OF (SC4610002) water safe to drink?
ROCK HILL CITY OF (SC4610002) water receives a grade of B (61/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ROCK HILL CITY OF (SC4610002) detected?
69 contaminants were tested in ROCK HILL CITY OF (SC4610002)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROCK HILL CITY OF (SC4610002) have any EPA violations?
Yes, ROCK HILL CITY OF (SC4610002) has 16 EPA violation(s) on record, with the most recent in 2013. Violation types include MR, MCL, TT. 5 are health-based violations.
How many people does ROCK HILL CITY OF (SC4610002) serve?
ROCK HILL CITY OF (SC4610002) serves approximately 82,846 people, South Carolina. The system provides water to 1 community: Rock Hill.
What type of water does ROCK HILL CITY OF (SC4610002) provide?
ROCK HILL CITY OF (SC4610002) 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 SC4610002.
How does ROCK HILL CITY OF (SC4610002) compare to other utilities in South Carolina?
ROCK HILL CITY OF (SC4610002) scores 61/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our South Carolina state page for a full comparison of water systems.