EPA data as of Oct 2026 · page updated 2026-10-29

Cal Am - Lincoln Oaks

Cal Am - Lincoln Oaks (EPA ID CA3410013) in Sacramento, CA supplies surface water (rivers, lakes) to about 48,105 people: no health-based violations since 2016, latest lead result 1 ppb, PFAS 1 detected.

Service area

EPA service-area boundary (state-supplied or EPA-modeled)
Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

System facts

People served48,105
Connections14,577
Sourcesurface water (rivers, lakes)
WholesalerNo

Health-based violations

No health-based violations reported since 2016.

Lead

Jan 20231 ppb
Jan 20201 ppb
Jan 20170 ppb
Jan 20142 ppb
Jan 20111 ppb
Jan 20083 ppb
Jan 20063 ppb
Jan 20053 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS

CompoundHighest resultSamples with detectionEPA limit
PFHpA3 ppt1 of 42—
PFNAnot detected0 of 42—
PFDAnot detected0 of 42—
PFOAnot detected0 of 424 ppt MCL
PFOSnot detected0 of 424 ppt MCL
PFHxSnot detected0 of 42—
PFBSnot detected0 of 42—
PFHxAnot detected0 of 42—
PFPeAnot detected0 of 42—
PFBAnot detected0 of 42—
HFPO-DA (GenX)not detected0 of 42—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

ZIP codes served

ZIP codes whose center lies in this system’s service area.

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions

Has Cal Am - Lincoln Oaks had drinking water violations?

No health-based violations reported since 2016.

What is the lead level in Cal Am - Lincoln Oaks water?

The latest 90th-percentile lead result (Jan 2023) was 1 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Cal Am - Lincoln Oaks have PFAS in its water?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).