C41/100
SULPHUR CITY OF WATER SYSTEM — Water Quality Report 2026
Serving 24,489 people · Louisiana
Water Source
Groundwater
County
—
System ID
LA1019044
Violations
20
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 2020.
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 SULPHUR CITY OF WATER SYSTEM
Is SULPHUR CITY OF WATER SYSTEM water safe to drink?
SULPHUR CITY OF WATER SYSTEM water receives a grade of C (41/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SULPHUR CITY OF WATER SYSTEM detected?
66 contaminants were tested in SULPHUR CITY OF WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SULPHUR CITY OF WATER SYSTEM have any EPA violations?
Yes, SULPHUR CITY OF WATER SYSTEM has 20 EPA violation(s) on record, with the most recent in 2020. Violation types include TT, Other, MR. 9 are health-based violations.
How many people does SULPHUR CITY OF WATER SYSTEM serve?
SULPHUR CITY OF WATER SYSTEM serves approximately 24,489 people, Louisiana.
What type of water does SULPHUR CITY OF WATER SYSTEM provide?
SULPHUR CITY OF WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1019044.
How does SULPHUR CITY OF WATER SYSTEM compare to other utilities in Louisiana?
SULPHUR CITY OF WATER SYSTEM scores 41/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Louisiana state page for a full comparison of water systems.