B61/100
UPPER CALHOUN/SANDY RUN (SC0920002) — Water Quality Report 2026
Serving 1,247 people · South Carolina
Water Source
Groundwater
County
—
System ID
SC0920002
Violations
28
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.88 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2025 – August 12, 2025Rule: Consumer Confidence RuleEnforcement: 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
Frequently Asked Questions About UPPER CALHOUN/SANDY RUN (SC0920002)
Is UPPER CALHOUN/SANDY RUN (SC0920002) water safe to drink?
UPPER CALHOUN/SANDY RUN (SC0920002) water receives a grade of B (61/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has UPPER CALHOUN/SANDY RUN (SC0920002) detected?
2 contaminants were tested in UPPER CALHOUN/SANDY RUN (SC0920002)'s water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does UPPER CALHOUN/SANDY RUN (SC0920002) have any EPA violations?
Yes, UPPER CALHOUN/SANDY RUN (SC0920002) has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include MR.
How many people does UPPER CALHOUN/SANDY RUN (SC0920002) serve?
UPPER CALHOUN/SANDY RUN (SC0920002) serves approximately 1,247 people, South Carolina. The system provides water to 1 community: Gaston.
What type of water does UPPER CALHOUN/SANDY RUN (SC0920002) provide?
UPPER CALHOUN/SANDY RUN (SC0920002) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SC0920002.
How does UPPER CALHOUN/SANDY RUN (SC0920002) compare to other utilities in South Carolina?
UPPER CALHOUN/SANDY RUN (SC0920002) 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.