Serving roughly 20,270 people in San Diego County, California.
Data current as of July 2026
๐Straight from EPA
๐งชReal Lab Results
๐ Updated Quarterly
๐ Local Expertise
Results for DHS BOULEVARD BORDER PATROL
1 water provider directly on file, serving roughly 20,270 people in San Diego County, California.
Quick answer: DHS BOULEVARD BORDER PATROL has no violations on file. One reading is worth knowing about: Dibromochloromethane was measured at 17.6UG/L, among the highest of the 414 providers on file in this area. It's the most notable figure in this system's record among its 414 local peers.
Lead Summary
Copper Summary
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Nitrate
Utility DHS BOULEVARD BORDER PATROLPopulation served 20,270Owner Federal 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
Copper Summary
Detected: 1.39 mg/L (ppm)
06/30/2020
Copper, Free
Detected: 300 UG/L (ppb)
7/11/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 8.3 UG/L (ppb)
8/26/2025
TTHM
Detected: 44.2 UG/L (ppb)
8/26/2025
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: 4.7 UG/L (ppb)
8/26/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 10.1 UG/L (ppb)
8/26/2025
Bromodichloromethane
Detected: 11.8 UG/L (ppb)
8/26/2025
Dibromochloromethane
Detected: 17.6 UG/L (ppb)
8/26/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 2 MG/L (ppm)
1/7/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 4.2 UG/L (ppb)
8/26/2025
Trichloroaceticacid
Detected: 1.2 UG/L (ppb)
8/26/2025
Dibromoaceticacid
Detected: 2.9 UG/L (ppb)
8/26/2025
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.