Serving roughly 4,124 people in Yuba County, California.
Data current as of July 2026
๐Straight from EPA
๐งชReal Lab Results
๐ Updated Quarterly
๐ Local Expertise
Results for CITY OF WHEATLAND
1 water provider directly on file, serving roughly 4,124 people in Yuba County, California.
Quick answer: CITY OF WHEATLAND has no violations on file. One reading is worth knowing about: Nitrate was measured at 4.6MG/L, among the highest of the 120 providers on file in this area. It's the most notable figure in this system's record among its 120 local peers.
Lead Summary
PFOS
PFHXS
TTHM
Nitrate
Silver
Arsenic
Zinc
Copper, Free
Utility CITY OF WHEATLANDPopulation served 4,124Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.00065 mg/L (ppm)
12/31/2023
Silver
Detected: 0.51 UG/L (ppb)
2/26/2025
Arsenic
Detected: 1.8 UG/L (ppb)
2/26/2025
Occurs naturally in some groundwater. Long-term exposure above the legal limit (10 ppb) has been linked to increased cancer risk and cardiovascular disease.
Zinc
Detected: 9 UG/L (ppb)
2/26/2025
Copper, Free
Detected: 4.2 UG/L (ppb)
2/26/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 1.7 UG/L (ppb)
8/6/2025
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.
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 4.6 MG/L (ppm)
10/8/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOS
Detected: 0.0073 ยตg/L (ppb)
1/7/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0062 ยตg/L (ppb)
1/7/2025
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.