Serving roughly 6,349 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for MAYWOOD MUTUAL WATER CO. #2
1 water provider directly on file, serving roughly 6,349 people in Los Angeles County, California.
Quick answer: MAYWOOD MUTUAL WATER CO. #2 has no violations on file. One reading is worth knowing about: pH was measured at 8.3PH, among the highest of the 601 providers on file in this area. It's the most notable figure in this system's record among its 601 local peers.
Lead Summary
Lithium
PFOS
Alkalinity, Total
Turbidity
pH
Odor
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Utility MAYWOOD MUTUAL WATER CO. #2Population served 6,349Owner 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
Copper, Free
Detected: 77 UG/L (ppb)
9/5/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 9.5 UG/L (ppb)
7/8/2025
TTHM
Detected: 34.2 UG/L (ppb)
7/8/2025
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: 4.9 UG/L (ppb)
7/8/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 9.9 UG/L (ppb)
7/8/2025
Bromodichloromethane
Detected: 6.9 UG/L (ppb)
7/8/2025
Dibromochloromethane
Detected: 12.5 UG/L (ppb)
7/8/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
pH
Detected: 8.3 PH
10/28/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 14.8 µg/L (ppb)
6/25/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFOS
Detected: 0.0043 µg/L (ppb)
8/12/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 200 MG/L (ppm)
10/28/2025
Turbidity
Detected: 0.11 NTU
10/8/2025
A measure of water cloudiness from suspended particles.
Odor
Detected: 1 TON
10/8/2025
Dichloroaceticacid
Detected: 2.1 UG/L (ppb)
7/8/2025
Trichloroaceticacid
Detected: 2.7 UG/L (ppb)
7/8/2025
Dibromoaceticacid
Detected: 4.7 UG/L (ppb)
7/8/2025
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.