Serving roughly 43,484 people in Riverside County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for MISSION SPRINGS WD
1 water provider directly on file, serving roughly 43,484 people in Riverside County, California.
Quick answer: MISSION SPRINGS WD has no violations on file. One reading is worth knowing about: Radium-228 was measured at 0.851PCI/L, among the highest of the 451 providers on file in this area. It's the most notable figure in this system's record among its 451 local peers.
Lead Summary
TTHM
Bromoform
Bromodichloromethane
Dibromochloromethane
Nitrate
Radium-228
Combined Radium (-226 & -228)
Chromium, Hex
Utility MISSION SPRINGS WDPopulation served 43,484Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Chromium, Hex
Detected: 10 UG/L (ppb)
9/17/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 3.5 UG/L (ppb)
9/17/2025
A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.
Bromoform
Detected: 1 UG/L (ppb)
9/17/2025
Bromodichloromethane
Detected: 1.1 UG/L (ppb)
9/17/2025
Dibromochloromethane
Detected: 1.4 UG/L (ppb)
9/17/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 1.4 MG/L (ppm)
8/27/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Other
Additional substances tested that don't fit neatly into the categories above
Radium-228
Detected: 0.851 PCI/L
8/27/2025
Combined Radium (-226 & -228)
Detected: 0.971 PCI/L
8/27/2025
A naturally occurring radioactive element found in some groundwater.
Filtration considerations: See the table below for how whole-house carbon, under-sink reverse osmosis, and under-sink carbon systems compare against what's actually on file here. These are general system types, not a specific product recommendation.