JUNCTION CITY is served by 1 water provider on file with the EPA.
Data current as of July 2026
🔍Straight from EPA
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Results for JUNCTION CITY, CA
1 water provider on file serving this city.
Quick answer: JUNCTION CITY's water has no violation currently counted toward its compliance status. EPA's record shows a Interim Enhanced Surface Water Treatment Rule violation dating to 02/01/2024 (2 years ago) — because it's more than five years past its deadline, EPA's policy no longer treats it as part of this system's current standing, though it remains on the public record.
Lead Summary
Totalhaloaceticacids (HAA5)
TTHM
Lead
Chloroform
Bromodichloromethane
Dichloroaceticacid
Trichloroaceticacid
Copper, Free
Violations on file
Interim Enhanced Surface Water Treatment Rule
Older/archived health-based violation
Found at 1 of 1 provider
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0064 mg/L (ppm)
12/31/2025
Lead
Detected: 1.8 UG/L (ppb)
9/9/2025
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: 260 UG/L (ppb)
9/9/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 8.9 UG/L (ppb)
9/9/2025
TTHM
Detected: 20 UG/L (ppb)
9/9/2025
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: 17 UG/L (ppb)
9/9/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 3.3 UG/L (ppb)
9/9/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 4.7 UG/L (ppb)
9/9/2025
Trichloroaceticacid
Detected: 4.3 UG/L (ppb)
9/9/2025
Filtration considerations: General system types, not a specific product recommendation.
Contaminant
Whole-House Carbon
Under-Sink RO
Under-Sink Carbon
Total Trihalomethanes (TTHM)
Yes
Yes
Yes
Haloacetic Acids (HAA5)
Yes
Yes
Yes
Chloroform
Yes
Yes
Yes
Chlorine / Taste
Yes
Yes
Yes
Sediment / Turbidity
Yes
Yes
Yes
Trichloroethylene
Yes
Yes
Yes
Tetrachloroethylene
Yes
Yes
Yes
cis-1,2-Dichloroethylene
Yes
Yes
Yes
1,1-Dichloroethylene
Yes
Yes
Yes
Bromoform
Yes
Yes
Yes
Bromodichloromethane
Yes
Yes
Yes
Dibromochloromethane
Yes
Yes
Yes
1,1,2-Trichloroethane
Yes
Yes
Yes
Vinyl Chloride
Yes
Yes
Yes
Carbon Tetrachloride
Yes
Yes
Yes
Benzene
Yes
Yes
Yes
Toluene
Yes
Yes
Yes
Xylene
Yes
Yes
Yes
Totalhaloaceticacids (HAA5)
Yes
Yes
Yes
Lead
Partial
Yes
Partial
Arsenic
Partial
Yes
Partial
Chromium-6 (Hexavalent)
Partial
Yes
Partial
Copper
Partial
Yes
Partial
Combined Uranium
Partial
Yes
Partial
PFOA
Partial
Yes*
Partial
PFOS
Partial
Yes*
Partial
Nitrate
Partial
Yes
Partial
Combined Radium
Partial
Yes
Partial
Dichloroaceticacid
Partial
Yes
Partial
Trichloroaceticacid
Partial
Yes
Partial
Copper, Free
Partial
Yes
Partial
Coliform Bacteria (indicator)
No
Yes
No
Individual water providers
JUNCTION CITY SCHOOLOlder violation on record — pop. 80