Serving roughly 108,629 people in San Bernardino County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for EAST VALLEY WATER DISTRICT
1 water provider directly on file, serving roughly 108,629 people in San Bernardino County, California.
Quick answer: EAST VALLEY WATER DISTRICT has no violations on file. One reading is worth knowing about: Bromodichloromethane was measured at 20.4UG/L, among the highest of the 669 providers on file in this area. It's the most notable figure in this system's record among its 669 local peers.
Lead Summary
Lithium
PFHXS
PFOS
PFHPA
PFHXA
PFOA
PFBS
PFPEA
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Fluoride
Carbon, Total
Turbidity
Odor
Utility EAST VALLEY WATER DISTRICTPopulation served 108,629Owner 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)
12/31/2024
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 12.9 UG/L (ppb)
8/4/2025
TTHM
Detected: 56.8 UG/L (ppb)
8/4/2025
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.
Chloroform
Detected: 10.3 UG/L (ppb)
8/4/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 20.4 UG/L (ppb)
8/4/2025
Dibromochloromethane
Detected: 21.4 UG/L (ppb)
8/4/2025
Bromoform
Detected: 4.7 UG/L (ppb)
8/4/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 0.45 MG/L (ppm)
10/28/2025
Often added deliberately for dental health; can also occur naturally.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 13.4 µg/L (ppb)
4/22/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFHXS
Detected: 0.0038 µg/L (ppb)
4/9/2025
PFOS
Detected: 0.012 µg/L (ppb)
4/9/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHPA
Detected: 0.0031 µg/L (ppb)
10/21/2024
PFHXA
Detected: 0.0041 µg/L (ppb)
4/9/2025
PFOA
Detected: 0.009 µg/L (ppb)
4/9/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFBS
Detected: 0.0074 µg/L (ppb)
4/9/2025
PFPEA
Detected: 0.0042 µg/L (ppb)
4/9/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 4.2 UG/L (ppb)
8/4/2025
Trichloroaceticacid
Detected: 3.5 UG/L (ppb)
8/4/2025
Dibromoaceticacid
Detected: 5.2 UG/L (ppb)
8/4/2025
Carbon, Total
Detected: 1.2 MG/L (ppm)
10/27/2025
Turbidity
Detected: 0.11 NTU
5/20/2025
A measure of water cloudiness from suspended particles.
Odor
Detected: 1 TON
1/15/2025
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.