Serving roughly 12,133 people in Humboldt County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for FORTUNA, CITY OF
1 water provider directly on file, serving roughly 12,133 people in Humboldt County, California.
Quick answer: FORTUNA, CITY OF has no violations on file. One reading is worth knowing about: Bromoform was measured at 4.7UG/L, among the highest of the 250 providers on file in this area. It's the most notable figure in this system's record among its 250 local peers.
Lead Summary
Copper Summary
Nitrate
Chromium, Hex
TTHM
Bromoform
Bromodichloromethane
Dibromochloromethane
Dibromoaceticacid
Sodium
Zinc
Utility FORTUNA, CITY OFPopulation served 12,133Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0018 mg/L (ppm)
12/31/2023
Copper Summary
Detected: 2.8 mg/L (ppm)
12/31/2000
Chromium, Hex
Detected: 0.14 UG/L (ppb)
5/19/2025
Zinc
Detected: 13 UG/L (ppb)
8/5/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 11 UG/L (ppb)
8/5/2025
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.
Bromoform
Detected: 4.7 UG/L (ppb)
8/5/2025
Bromodichloromethane
Detected: 1.5 UG/L (ppb)
8/5/2025
Dibromochloromethane
Detected: 5.1 UG/L (ppb)
8/5/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 2.2 MG/L (ppm)
8/5/2025
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
Sodium
Detected: 11 MG/L (ppm)
8/5/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dibromoaceticacid
Detected: 1.3 UG/L (ppb)
8/5/2025
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.