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Water system · PWSID TX1010007

CITY OF DEER PARK

DEER PARK, TX · ~34,495 people served

Check your exact address → DEER PARK overview
91
Excellent
PurityRadar safety score

PWSID

TX1010007

State

Texas

City

DEER PARK

Population served

34,495

Primary source

SWP

Score history

▼ 9 points — the score moved from 100 to 91 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 91

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

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Oct 2023). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

3.6 ppt

limit 10 ppt

Below EPA limit

PFBA

15 ppt

limit —

No federal limit

PFPeA

9 ppt

limit —

No federal limit

PFHxA

8.5 ppt

limit —

No federal limit

PFBS

4.5 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

1

Health-based

50

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2020. Official EPA record →

Monitoring & reporting · EPA contaminant 0300 began Nov 2019 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 0300 began Dec 2018 Resolved
Monitoring & reporting · EPA contaminant 0300 began Nov 2018 Resolved
Monitoring & reporting · EPA contaminant 0300 began May 2018 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jan 2018 Resolved
Monitoring & reporting · EPA contaminant 0300 began Sep 2017 Resolved
Other · EPA contaminant 7500 began Aug 2017 Resolved
Treatment technique · Lead & Copper Rule health-based began Aug 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2016 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2010 Resolved

Recent enforcement actions

  • State action · SIA Jan 2020
  • State action · SIF Jan 2020
  • State action · SOX Jan 2020
  • State action · SIE Dec 2019
  • State action · SIF Aug 2019
  • State action · SIF Aug 2019
  • State action · SIF Aug 2019
  • State action · SIA Mar 2019

This profile is built from EPA public records for system TX1010007 — 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.