DUBLIN SAN RAMON SERVICES DISTRICT Water Quality Report
Serving roughly 98,776 people in Alameda County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for DUBLIN SAN RAMON SERVICES DISTRICT
1 water provider directly on file, serving roughly 98,776 people in Alameda County, California.
Quick answer: DUBLIN SAN RAMON SERVICES DISTRICT has no violations on file. One reading is worth knowing about: Bromoform was measured at 35UG/L, among the highest of the 50 providers on file in this area. It's the most notable figure in this system's record among its 50 local peers.
Lead Summary
Copper Summary
Totalhaloaceticacids (HAA5)
TTHM
Lead
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Monobromoaceticacid
Dibromoaceticacid
Monochloroaceticacid
Utility DUBLIN SAN RAMON SERVICES DISTRICTPopulation served 98,776Owner 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
Copper Summary
Detected: 1.542 mg/L (ppm)
12/31/1992
Lead
Detected: 5.6 UG/L (ppb)
7/29/2025
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.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 17.5 UG/L (ppb)
10/8/2025
TTHM
Detected: 69 UG/L (ppb)
10/8/2025
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: 1.2 UG/L (ppb)
10/8/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 35 UG/L (ppb)
10/8/2025
Bromodichloromethane
Detected: 6.7 UG/L (ppb)
10/8/2025
Dibromochloromethane
Detected: 26 UG/L (ppb)
10/8/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2.16 UG/L (ppb)
10/8/2025
Trichloroaceticacid
Detected: 6.83 UG/L (ppb)
7/9/2025
Monobromoaceticacid
Detected: 1.52 UG/L (ppb)
10/8/2025
Dibromoaceticacid
Detected: 13.8 UG/L (ppb)
10/8/2025
Monochloroaceticacid
Detected: 2.23 UG/L (ppb)
7/9/2025
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.