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Community Water System · PWS TX2400025

Mirando City WSC

Mirando City, Texas 78369-0057 - drinking water served from groundwater sources to 460 people, tracked in EPA SDWIS and UCMR5.

460
People served
174
EPA violations
75
Health-based
Untested
UCMR5 result

The verdict

EPA records 174 drinking-water violations at Mirando City WSC, 43% of them health-based - above the Texas per-system average.

174
Total EPA violations on record
43%
Health-based (MCL / treatment failure)
460
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mirando City WSC

Mirando City WSC is a local-owned community water system that delivers drinking water to 460 residents in Mirando City, Texas (Webb County) through 280 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 174 total violations for this system , of which 75 (43%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Arsenic, recorded in 63 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

Mirando City WSC's 174 violations sit above the Texas average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
460
Total Violations
174
Health-Based Violations
75
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
280
County
Webb
School/Daycare
No
MCL Violations
73
Monitoring Violations
52
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 63 2025
Public Notice Other 21 2025
Consumer Confidence Rule Other 19 2024
Coliform (TCR) MR 17 2011
Chlorine MR 17 2016
Lead and Copper Rule MR 10 2019
Revised Total Coliform Rule MON 8 2021
Nitrate MCL 7 2018
Coliform (TCR) MCL 3 2009
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Mirando City WSC.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TX2400025 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects Mirando City WSC under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Arsenic MCL 63 SDWIS / TX2400025 / 1005
2025 Public Notice Other 21 SDWIS / TX2400025 / 7500
2024 Consumer Confidence Rule Other 19 SDWIS / TX2400025 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / TX2400025 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / TX2400025 / 5200
2021 Revised Total Coliform Rule MON 8 SDWIS / TX2400025 / 8000
2019 Lead and Copper Rule MR 10 SDWIS / TX2400025 / 5000
2018 Nitrate MCL 7 SDWIS / TX2400025 / 1040
2016 Chlorine MR 17 SDWIS / TX2400025 / 0999
2011 Coliform (TCR) MR 17 SDWIS / TX2400025 / 3100
2009 Coliform (TCR) MCL 3 SDWIS / TX2400025 / 3100

How Mirando City WSC Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Mirando City WSC Texas avg Federal benchmark
Total violations 174 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 75 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 460 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mirando City WSC water safe to drink? ▼
Mirando City WSC (PWS ID: TX2400025) has 174 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 460 people using Groundwater sources.
How many people does Mirando City WSC serve? ▼
Mirando City WSC serves 460 people in Mirando City, Texas. It is a Local-owned system using Groundwater water sources with 280 service connections.
What type of violations does Mirando City WSC have? ▼
Mirando City WSC has 174 total violations: 75 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mirando City WSC water? ▼
No PFAS testing data is available for Mirando City WSC under the EPA's UCMR5 monitoring program.
What water source does Mirando City WSC use? ▼
Mirando City WSC uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.