SBDNO COUNTY SERVICE AREA 70J Water Quality Report
Serving roughly 12,843 people in San Bernardino County, California.
Data current as of July 2026
๐Straight from EPA
๐งชReal Lab Results
๐ Updated Quarterly
๐ Local Expertise
Results for SBDNO COUNTY SERVICE AREA 70J
1 water provider directly on file, serving roughly 12,843 people in San Bernardino County, California.
Quick answer: SBDNO COUNTY SERVICE AREA 70J has no violations on file. One reading is worth knowing about: Chromium was measured at 23UG/L, among the highest of the 669 providers on file in this area. It's the most notable figure in this system's record among its 669 local peers.
Lead Summary
TTHM
Chromium, Hex
Bromoform
Bromodichloromethane
Dibromochloromethane
Nitrate
Vanadium, Total
Chromium
Utility SBDNO COUNTY SERVICE AREA 70JPopulation served 12,843Owner Local government
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2025
Chromium, Hex
Detected: 16 UG/L (ppb)
8/20/2025
Vanadium, Total
Detected: 51 UG/L (ppb)
2/3/2025
Chromium
Detected: 23 UG/L (ppb)
5/7/2025
Occurs in two forms โ trivalent (an essential nutrient in trace amounts) and hexavalent (linked to increased cancer risk).
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 4.8 UG/L (ppb)
10/7/2025
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: 1.9 UG/L (ppb)
10/7/2025
Bromodichloromethane
Detected: 1 UG/L (ppb)
10/7/2025
Dibromochloromethane
Detected: 1.9 UG/L (ppb)
10/7/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 2.6 MG/L (ppm)
7/1/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
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.