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Water system · PWSID TX0800016

CYPRESS SPRINGS SUD SOUTH PLANT

MOUNT VERNON, TX · ~1,821 people served

Check your exact address → MOUNT VERNON overview
100
Excellent
PurityRadar safety score

PWSID

TX0800016

State

Texas

City

MOUNT VERNON

Population served

1,821

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

18

Violations on record

1

Unaddressed

11

Health-based

53

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2015 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2009 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2009 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2004 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2004 Resolved

Recent enforcement actions

  • State action · SIA Dec 2025
  • State action · SOX Oct 2016
  • State action · SIF Feb 2016
  • State action · SIA Nov 2015
  • State action · SIE Nov 2015
  • State action · SOX Aug 2015
  • State action · SOX Aug 2015
  • State action · SOX Aug 2015

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Fluoride

2 stations · latest May 2022

0.0847 · max 0.1 mg/L · 6

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system TX0800016 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.