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Water system · PWSID CO0118076

STONEGATE MD

PARKER, CO · ~15,295 people served

Check your exact address → PARKER overview
67
Fair
PurityRadar safety score

PWSID

CO0118076

State

Colorado

City

PARKER

Population served

15,295

Primary source

SWP

Score history

▼ 33 points — the score moved from 100 to 67 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 67

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 Aug 2024). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

5.6 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFOS

Perfluorooctanesulfonic acid

5.1 ppt

limit 4 ppt

Above EPA limit · 1.3×

Lithium

18,700 ppt

limit —

No federal limit

PFBS

3.9 ppt

limit —

No federal limit

PFHxA

3.8 ppt

limit —

No federal limit

PFPeA

3.7 ppt

limit —

No federal limit

PFHpA

3.1 ppt

limit —

No federal limit

Violations & enforcement

105

Violations on record

0

Unaddressed

0

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2021. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 1075 began Apr 2008 Resolved
Monitoring & reporting · Beryllium began Apr 2008 Resolved
Monitoring & reporting · Antimony began Apr 2008 Resolved
Monitoring & reporting · Barium began Apr 2008 Resolved
Monitoring & reporting · Chromium (total) began Apr 2008 Resolved
Monitoring & reporting · Cadmium began Apr 2008 Resolved
Monitoring & reporting · EPA contaminant 1036 began Apr 2008 Resolved
Monitoring & reporting · Fluoride began Apr 2008 Resolved

Recent enforcement actions

  • State action · SOX Nov 2021
  • State action · SIE Nov 2020
  • State action · SIA Nov 2020
  • State action · SOX Nov 2017
  • State action · SIE Sep 2017
  • State action · SIA Sep 2017
  • State action · SOX Sep 2008
  • State action · SOX Aug 2008

This profile is built from EPA public records for system CO0118076 — 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.