Serving roughly 15,368 people in San Bernardino County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for LOMA LINDA UNIVERSITY
1 water provider directly on file, serving roughly 15,368 people in San Bernardino County, California.
Quick answer: LOMA LINDA UNIVERSITY has no violations on file and no single reading stands out against its peers (669 other providers in this area). It serves roughly 15,368 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFOS
PFHXS
Perchlorate
TTHM
Bromoform
Dibromochloromethane
Magnesium
Sodium
Calcium
Hardness, Total (ASCACO3)
TDS
Chloride
Sulfate
Nitrate
Perfluorohexanesulfonicacid (PFHxS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Utility LOMA LINDA UNIVERSITYPopulation served 15,368Owner Private
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)
12/31/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 3.6 UG/L (ppb)
7/1/2025
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: 2.6 UG/L (ppb)
7/1/2025
Dibromochloromethane
Detected: 1 UG/L (ppb)
7/1/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Chloride
Detected: 50 MG/L (ppm)
8/11/2025
Sulfate
Detected: 68 MG/L (ppm)
8/11/2025
Nitrate
Detected: 1.6 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.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 11 MG/L (ppm)
8/11/2025
Sodium
Detected: 82 MG/L (ppm)
8/11/2025
Calcium
Detected: 55 MG/L (ppm)
8/11/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 180 MG/L (ppm)
8/11/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOS
Detected: 0.0042 µg/L (ppb)
9/13/2023
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0031 µg/L (ppb)
9/13/2023
Other
Additional substances tested that don't fit neatly into the categories above
Perchlorate
Detected: 1.6 UG/L (ppb)
10/30/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
TDS
Detected: 460 MG/L (ppm)
9/4/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 2.8 NG/L (ppt)
8/5/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 3.7 NG/L (ppt)
8/5/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 2.9 NG/L (ppt)
8/5/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
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.