A82/100
JOHNSONVILLE CITY OF (SC2110011) — Water Quality Report 2026
Serving 5,083 people · South Carolina
Water Source
Groundwater
County
—
System ID
SC2110011
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2024 – March 31, 2024Rule: Total Coliform 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: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: 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 JOHNSONVILLE CITY OF (SC2110011)
Is JOHNSONVILLE CITY OF (SC2110011) water safe to drink?
JOHNSONVILLE CITY OF (SC2110011) water receives a grade of A (82/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JOHNSONVILLE CITY OF (SC2110011) detected?
31 contaminants were tested in JOHNSONVILLE CITY OF (SC2110011)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JOHNSONVILLE CITY OF (SC2110011) have any EPA violations?
Yes, JOHNSONVILLE CITY OF (SC2110011) has 7 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, MCL. 2 are health-based violations.
How many people does JOHNSONVILLE CITY OF (SC2110011) serve?
JOHNSONVILLE CITY OF (SC2110011) serves approximately 5,083 people, South Carolina. The system provides water to 1 community: Johnsonville.
What type of water does JOHNSONVILLE CITY OF (SC2110011) provide?
JOHNSONVILLE CITY OF (SC2110011) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SC2110011.
How does JOHNSONVILLE CITY OF (SC2110011) compare to other utilities in South Carolina?
JOHNSONVILLE CITY OF (SC2110011) scores 82/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our South Carolina state page for a full comparison of water systems.