Serving roughly 16,595 people in Yuba County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for OLIVEHURST PUBLIC U.D.
1 water provider directly on file, serving roughly 16,595 people in Yuba County, California.
Quick answer: OLIVEHURST PUBLIC U.D. has no violations on file and no single reading stands out against its peers (120 other providers in this area). It serves roughly 16,595 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Totalhaloaceticacids (HAA5)
TTHM
Bromoform
Bromodichloromethane
Dibromochloromethane
Dibromoaceticacid
Manganese
Nitrate
Perfluoroctanesulfonicacid (PFOS)
Gross Alpha Particle Activity
Cis-1, 2-Dichloroethylene
Utility OLIVEHURST PUBLIC U.D.Population served 16,595Owner 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
Manganese
Detected: 21 UG/L (ppb)
9/15/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 1.4 UG/L (ppb)
9/10/2025
TTHM
Detected: 7.13 UG/L (ppb)
9/10/2025
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: 3.63 UG/L (ppb)
9/10/2025
Bromodichloromethane
Detected: 1.21 UG/L (ppb)
9/10/2025
Dibromochloromethane
Detected: 2.29 UG/L (ppb)
9/10/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.48 MG/L (ppm)
9/18/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Gross Alpha Particle Activity
Detected: 2.41 PCI/L
9/18/2025
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
Cis-1, 2-Dichloroethylene
Detected: 1 UG/L (ppb)
1/16/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dibromoaceticacid
Detected: 1.4 UG/L (ppb)
9/10/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 3.4 NG/L (ppt)
8/6/2025
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.