Is Desert Hot Springs, CA tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Mission Springs Water District.
Mission Springs Water District supplies Desert Hot Springs (43,484 people).
Water system
Mission Springs Water District
43,484 people · Groundwater · EPA ID CA3310008
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 0 ppb at the 90th percentile (Dec 2023, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across California, 129 of 691 water systems EPA tested had PFAS above a 2024 federal limit, and 26 systems were above the lead action level in results from the last five years. California results.
Desert Hot Springs homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Desert Hot Springs city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Cathedral City 10 mi Coachella Valley Water District – Cove Community | None above limits | 0 ppb |
| Palm Springs 11 mi Coachella Valley Water District – Cove Community | None above limits | 0 ppb |
| Palm Desert 18 mi Coachella Valley Water District – Cove Community | None above limits | 0 ppb |
| Banning 20 mi City of Banning | None above limits | 0 ppb |
| Indio 23 mi Coachella Valley Water District – Cove Community | None above limits | 0 ppb |
| Beaumont 24 mi Beaumont Cherry Valley Water District | None above limits | 7.8 ppb |
Desert Hot Springs ZIP codes (1)
- 92240
Questions
Is Desert Hot Springs tap water safe to drink?
Mission Springs Water District has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Desert Hot Springs, CA?
Mission Springs Water District, which serves 43,484 people.
Does Desert Hot Springs tap water have PFAS?
None detected above EPA's reporting limits. Mission Springs Water District had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Desert Hot Springs homes have lead pipes?
Census estimates put 33% of Desert Hot Springs homes as built before 1980 (California: 56%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Mission Springs Water District's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.