C54/100
BLACK ROCK WSC — Water Quality Report 2026
Serving 1,680 people · Texas
Water Source
Groundwater
County
—
System ID
TX0610040
Violations
46
Contaminant Test Results
EPA Violation History
1
Violation (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: September 1, 2023 – September 30, 2023Rule: Total Coliform 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 BLACK ROCK WSC
Is BLACK ROCK WSC water safe to drink?
BLACK ROCK WSC water receives a grade of C (54/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BLACK ROCK WSC detected?
1 contaminants were tested in BLACK ROCK WSC's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does BLACK ROCK WSC have any EPA violations?
Yes, BLACK ROCK WSC has 46 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MR, Other.
How many people does BLACK ROCK WSC serve?
BLACK ROCK WSC serves approximately 1,680 people, Texas.
What type of water does BLACK ROCK WSC provide?
BLACK ROCK WSC sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0610040.
How does BLACK ROCK WSC compare to other utilities in Texas?
BLACK ROCK WSC scores 54/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Texas state page for a full comparison of water systems.