B75/100
CITY OF HIDALGO WATER SYSTEM — Water Quality Report 2026
Serving 14,800 people · Texas
Water Source
Groundwater
County
—
System ID
TX1080021
Violations
18
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
8
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: May 1, 2025 – June 6, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – April 8, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: April 1, 2023 – May 15, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: March 1, 2022 – June 6, 2025Rule: Ground Water 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: October 1, 2021 – December 31, 2021Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – October 21, 2021Enforcement: 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 CITY OF HIDALGO WATER SYSTEM
Is CITY OF HIDALGO WATER SYSTEM water safe to drink?
CITY OF HIDALGO WATER SYSTEM water receives a grade of B (75/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF HIDALGO WATER SYSTEM detected?
51 contaminants were tested in CITY OF HIDALGO WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF HIDALGO WATER SYSTEM have any EPA violations?
Yes, CITY OF HIDALGO WATER SYSTEM has 18 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 1 are health-based violations.
How many people does CITY OF HIDALGO WATER SYSTEM serve?
CITY OF HIDALGO WATER SYSTEM serves approximately 14,800 people, Texas.
What type of water does CITY OF HIDALGO WATER SYSTEM provide?
CITY OF HIDALGO WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1080021.
How does CITY OF HIDALGO WATER SYSTEM compare to other utilities in Texas?
CITY OF HIDALGO WATER SYSTEM scores 75/100 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.