Home/ Directory/ CA/ JOSHUA BASIN WATER DISTRICT

Water system · PWSID CA3610025

JOSHUA BASIN WATER DISTRICT

JOSHUA TREE, CA · ~6,640 people served

Check your exact address → JOSHUA TREE overview
100
Excellent
PurityRadar safety score

PWSID

CA3610025

State

California

City

JOSHUA TREE

Population served

6,640

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

Latest detections from EPA’s UCMR5 monitoring (through Aug 2025). Levels in parts per trillion (ppt).

Lithium

10,500 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

3

Health-based

8

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2018. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Sep 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1999 Resolved

Recent enforcement actions

  • State action · SOX Apr 2018
  • State action · SFL Jun 2015
  • State action · SFJ Nov 2003
  • State action · SOX Jul 2003
  • State action · SFJ Jun 2003
  • EPA/federal action · EOX Mar 2000
  • State action · SFL Jul 1999
  • EPA/federal action · EOX Dec 1993

This profile is built from EPA public records for system CA3610025 — 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.