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Water system · PWSID CA3310008

MISSION SPRINGS WD

DESERT HOT SPRINGS, CA · ~43,484 people served

Check your exact address → DESERT HOT SPRINGS overview
100
Excellent
PurityRadar safety score

PWSID

CA3310008

State

California

City

DESERT HOT SPRINGS

Population served

43,484

Primary source

Groundwater

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

10

Violations on record

0

Unaddressed

3

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2022. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Dec 2021 Resolved
Monitoring & reporting · Nitrate began Jan 2015 Resolved
Other · EPA contaminant 7000 began Oct 2013 Resolved
Monitoring & reporting · Nitrate began Jan 2013 Resolved
Monitoring & reporting · EPA contaminant 2990 began Apr 2010 Resolved
Monitoring & reporting · Total coliform began Sep 2009 Resolved
Monitoring & reporting · Nitrate began Jan 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 1995 Resolved

Recent enforcement actions

  • State action · SOX Apr 2022
  • State action · SFL Dec 2021
  • State action · SFJ Mar 2016
  • State action · SOX Feb 2016
  • State action · SFJ Jan 2014
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014
  • State action · SOX Nov 2013

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

Nitrate

18 stations · latest Apr 2023

3.68 · max 17.3 mg/l asNO3 · 45

Fluoride

18 stations · latest Apr 2023

0.69 · max 1.16 mg/l · 24

Arsenic

16 stations · latest Apr 2023

0.33 · max 22.5 ug/l · 20

Uranium

17 stations · latest Apr 2023

6.08 · max 17 ug/l · 17

Manganese

4 stations · latest Apr 2023

1.72 · max 12.2 ug/l · 9

Copper

6 stations · latest Mar 2021

0.72 · max 1.2 ug/l · 8

Lead

8 stations · latest Apr 2022

0.233 · max 1.81 ug/l · 8

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 CA3310008 — 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.