B69/100
MOUNT SYLVAN WATER SYSTEM — Water Quality Report 2026
Serving 1,056 people · Texas
Water Source
Groundwater
County
—
System ID
TX2120034
Violations
19
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
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: July 1, 2021 – September 30, 2021Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: April 18, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 MOUNT SYLVAN WATER SYSTEM
Is MOUNT SYLVAN WATER SYSTEM water safe to drink?
MOUNT SYLVAN WATER SYSTEM water receives a grade of B (69/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has MOUNT SYLVAN WATER SYSTEM detected?
1 contaminants were tested in MOUNT SYLVAN WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MOUNT SYLVAN WATER SYSTEM have any EPA violations?
Yes, MOUNT SYLVAN WATER SYSTEM has 19 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MCL. 3 are health-based violations.
How many people does MOUNT SYLVAN WATER SYSTEM serve?
MOUNT SYLVAN WATER SYSTEM serves approximately 1,056 people, Texas.
What type of water does MOUNT SYLVAN WATER SYSTEM provide?
MOUNT SYLVAN WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX2120034.
How does MOUNT SYLVAN WATER SYSTEM compare to other utilities in Texas?
MOUNT SYLVAN WATER SYSTEM scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.