MOUNTAIN VIEW is served by 1 water provider on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for MOUNTAIN VIEW, CA
1 water provider on file serving this city.
Quick answer: MOUNTAIN VIEW's water has no violations on file and no single reading stands out against its peers (1 other providers in this area). It serves roughly 81,501 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
Fluoride
Nitrate
Radium-228
Combined Radium (-226 & -228)
Gross Alpha Particle Activity
Lead
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Bromoform
Dibromoaceticacid
Monobromoaceticacid
Copper, Free
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: 5.4 UG/L (ppb)
9/3/2025
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: 88 UG/L (ppb)
9/3/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 37.3 UG/L (ppb)
8/13/2025
TTHM
Detected: 59.31 UG/L (ppb)
8/13/2025
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: 58.29 UG/L (ppb)
8/13/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 1.02 UG/L (ppb)
8/13/2025
Dibromochloromethane
Detected: 14.43 UG/L (ppb)
8/13/2025
Bromoform
Detected: 5.11 UG/L (ppb)
8/13/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 0.12 MG/L (ppm)
5/7/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 5.7 MG/L (ppm)
8/13/2025
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: 1.55 PCI/L
1/8/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 9.3 µg/L (ppb)
3/8/2023
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
Radium-228
Detected: 0.614 PCI/L
8/27/2025
Combined Radium (-226 & -228)
Detected: 0.674 PCI/L
8/27/2025
A naturally occurring radioactive element found in some groundwater.
Dichloroaceticacid
Detected: 22.4 UG/L (ppb)
8/13/2025
Trichloroaceticacid
Detected: 14.9 UG/L (ppb)
8/13/2025
Dibromoaceticacid
Detected: 5.5 UG/L (ppb)
8/13/2025
Monobromoaceticacid
Detected: 1.3 UG/L (ppb)
8/13/2025
Filtration considerations: General system types, not a specific product recommendation.