Serving roughly 44,899 people in Kern County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for OILDALE MWC
1 water provider directly on file, serving roughly 44,899 people in Kern County, California.
Quick answer: OILDALE MWC has no violations on file. One reading is worth knowing about: Totalhaloaceticacids (HAA5) was measured at 40.2UG/L, among the highest of the 682 providers on file in this area. It's the most notable figure in this system's record among its 682 local peers.
Lead Summary
Lithium
Lead
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Monochloroaceticacid
Copper, Free
Nitrate
Turbidity
Iron
Chromium, Hex
Utility OILDALE MWCPopulation served 44,899Owner 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
Lead
Detected: 7.3 UG/L (ppb)
6/17/2025
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: 60 UG/L (ppb)
6/17/2025
Iron
Detected: 31 UG/L (ppb)
4/15/2025
Mostly an aesthetic issue (metallic taste, staining) rather than a health concern at typical levels.
Chromium, Hex
Detected: 0.053 UG/L (ppb)
1/14/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 40.2 UG/L (ppb)
8/19/2025
TTHM
Detected: 72.4 UG/L (ppb)
8/19/2025
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: 54.6 UG/L (ppb)
8/19/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 14.9 UG/L (ppb)
8/19/2025
Dibromochloromethane
Detected: 2.8 UG/L (ppb)
8/19/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 0.38 MG/L (ppm)
8/29/2025
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
Lithium
Detected: 12.2 µg/L (ppb)
11/28/2023
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 19.6 UG/L (ppb)
8/19/2025
Trichloroaceticacid
Detected: 16.7 UG/L (ppb)
8/19/2025
Dibromoaceticacid
Detected: 1.8 UG/L (ppb)
5/13/2025
Monochloroaceticacid
Detected: 3.8 UG/L (ppb)
8/19/2025
Turbidity
Detected: 0.61 NTU
8/6/2025
A measure of water cloudiness from suspended particles.
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.