Serving roughly 17,262 people in Del Norte County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for CITY OF CRESCENT CITY
1 water provider directly on file, serving roughly 17,262 people in Del Norte County, California.
Quick answer: CITY OF CRESCENT CITY has no violations on file. One reading is worth knowing about: Dichloroaceticacid was measured at 3.9UG/L, among the highest of the 95 providers on file in this area. It's the most notable figure in this system's record among its 95 local peers.
Lead Summary
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Magnesium
Calcium
Sodium
Hardness, Total (ASCACO3)
Nitrate
Gross Alpha Particle Activity
Gross Beta Particle Activity
Barium
Utility CITY OF CRESCENT CITYPopulation served 17,262Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.00301 mg/L (ppm)
12/31/2024
Barium
Detected: 6.6 UG/L (ppb)
7/2/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 7.5 UG/L (ppb)
6/3/2025
TTHM
Detected: 14 UG/L (ppb)
6/3/2025
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: 8.7 UG/L (ppb)
6/3/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 4.2 UG/L (ppb)
6/3/2025
Dibromochloromethane
Detected: 1 UG/L (ppb)
6/3/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 1.8 MG/L (ppm)
7/2/2025
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: 11 MG/L (ppm)
7/2/2025
Calcium
Detected: 6.1 MG/L (ppm)
7/2/2025
Sodium
Detected: 2.3 MG/L (ppm)
7/2/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 60 MG/L (ppm)
7/2/2025
Gross Alpha Particle Activity
Detected: 1.98 PCI/L
7/2/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 3.9 UG/L (ppb)
6/3/2025
Trichloroaceticacid
Detected: 3.5 UG/L (ppb)
6/3/2025
Gross Beta Particle Activity
Detected: 2.33 PCI/L
7/2/2025
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.