MONTEBELLO is served by 2 water providers on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for MONTEBELLO, CA
2 water providers on file serving this city.
Quick answer: MONTEBELLO's water has no violations on file and no single reading stands out against its peers (2 other providers in this area). It serves roughly 7,330 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFPEA
PFHXA
PFBA
PFBS
PFHPA
PFOA
Lithium
Temperature (CENTIGRADE)
Fluoride
Nitrate
Turbidity
pH, Field
Odor
Totalhaloaceticacids (HAA5)
TTHM
Bromodichloromethane
Dibromochloromethane
Chloroform
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Color
Magnesium
Potassium
Sodium
Calcium
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
Found at 2 providers
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 11 UG/L (ppb)
Found at 2 providers
TTHM
Detected: 34 UG/L (ppb)
Found at 2 providers
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.
Bromodichloromethane
Detected: 9.6 UG/L (ppb)
Found at 2 providers
Dibromochloromethane
Detected: 13 UG/L (ppb)
Found at 2 providers
Chloroform
Detected: 7.3 UG/L (ppb)
Found at 2 providers
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 3.8 UG/L (ppb)
Found at 2 providers
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 0.6 MG/L (ppm)
9/16/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 1.3 MG/L (ppm)
9/16/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 7.2 MG/L (ppm)
9/23/2025
Potassium
Detected: 2.8 MG/L (ppm)
9/23/2025
Sodium
Detected: 48 MG/L (ppm)
9/23/2025
Calcium
Detected: 47 MG/L (ppm)
9/23/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
pH, Field
Detected: 7.1 PH
10/13/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFPEA
Detected: 0.0134 µg/L (ppb)
8/13/2024
PFHXA
Detected: 0.0136 µg/L (ppb)
8/13/2024
PFBA
Detected: 0.0058 µg/L (ppb)
8/13/2024
PFBS
Detected: 0.0097 µg/L (ppb)
8/13/2024
PFHPA
Detected: 0.0051 µg/L (ppb)
8/13/2024
PFOA
Detected: 0.0093 µg/L (ppb)
8/13/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Lithium
Detected: 36.4 µg/L (ppb)
Found at 2 providers
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
Temperature (CENTIGRADE)
Detected: 25.7 C
10/27/2025
Turbidity
Detected: 0.1 NTU
10/13/2025
A measure of water cloudiness from suspended particles.
Odor
Detected: 1 TON
8/5/2025
Dichloroaceticacid
Detected: 3.3 UG/L (ppb)
Found at 2 providers
Trichloroaceticacid
Detected: 2.2 UG/L (ppb)
Found at 2 providers
Dibromoaceticacid
Detected: 2.1 UG/L (ppb)
Found at 2 providers
Color
Detected: 2 UNITS
9/9/2025
Filtration considerations: General system types, not a specific product recommendation.