Serving roughly 9,745 people in Merced County, California.
Data current as of July 2026
๐Straight from EPA
๐งชReal Lab Results
๐ Updated Quarterly
๐ Local Expertise
Results for WINTON WATER & SANITARY DIST
1 water provider directly on file, serving roughly 9,745 people in Merced County, California.
Quick answer: WINTON WATER & SANITARY DIST currently has an open health-based violation on file: Lead And Copper Rule Revisions, a compliance issue since 10/17/2024. This is active, not historical โ see the violation detail below for what EPA's enforcement record shows.
Lead Summary
Lead
Copper, Free
Nitrate
Gross Alpha Particle Activity
1, 2, 3-Trichloropropane
1, 2-Dibromo-3-Chloropropane
Chromium, Hex
Utility WINTON WATER & SANITARY DISTPopulation served 9,745Owner Local government
Open violation on file
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 1 provider
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2025
Lead
Detected: 22 UG/L (ppb)
9/10/2025
A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.
Copper, Free
Detected: 670 UG/L (ppb)
9/10/2025
Chromium, Hex
Detected: 3 UG/L (ppb)
1/7/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 6.1 MG/L (ppm)
4/8/2025
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: 1.92 PCI/L
7/15/2025
VOCs (Volatile Organic Compounds)
Industrial solvents and fuel-related chemicals that evaporate easily
1, 2, 3-Trichloropropane
Detected: 0.15 UG/L (ppb)
10/7/2025
Other
Additional substances tested that don't fit neatly into the categories above
1, 2-Dibromo-3-Chloropropane
Detected: 0.025 UG/L (ppb)
7/3/2025
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.