Water Quality
12%
of combined weighted risk
State 33% · ▼ 20 pts
Most common flagWater quality trends toward MCL
San Francisco County | Public water system SAFER profile
San Francisco County public water systems
Not At-Risk or Not Assessed
4systems
852,529people served (100% of total)
includes Not Assessed systems, which are outside the SAFER assessment
Status classification
Share of listed systems, followed by the count, reported population, and funding in each status.
Potentially At-Risk20%
Not At-Risk40%
Not Assessed40%
Failing
At-Risk
Potentially At-Risk
Not At-Risk
Not Assessed
Systems
0
0
1
2
2
Population
0
0
3,864
3,910
848,619
Funding since 2017
$0
$0
$0
$0
$238M
Key figures
5
public water systems
856,393
reported population
20%
serve 500 people or fewer
$238M
reported funding since 2017
System locations
Points show reported system locations. They do not represent service-area boundaries.
Each point represents one system record.
Summary
San Francisco County has 5 public water systems in the SAFER dataset. Of these, 0 (0%) are classified as Failing or At-Risk.
Those systems report serving 0 people. The county profile is also shaped by small systems: 1 system serve 500 people or fewer.
2 systems are Not Assessed. These fall outside the SAFER risk assessment, so they carry no classification either way.
Reported funding since 2017 totals $238M across 1 system. Technical assistance funding totals $0.
System counts and reported population
Not Assessed systems make up 40% of listed systems and 99% of reported population. A few large systems account for most of that population, so a small number of systems can shift the population picture entirely. Counts and population are worth reading together.
