EPA data as of Oct 2026 · page updated 2026-10-30

Scwa - Arden Park Vista

Scwa - Arden Park Vista (EPA ID CA3410002) in Sacramento, CA supplies groundwater (wells) to about 10,068 people: 1 violation since 2016, latest lead result 0 ppb, PFAS 8.3 ppt.

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 served10,068
Connections3,062
Sourcegroundwater (wells)
WholesalerNo

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Lead and Copper Rule Revisions1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. 1 still listed as unresolved (“unaddressed” or “addressed” but not yet returned to compliance); the latest began Oct 2024.

Lead

Jan 20230 ppb
Jan 20200 ppb
Jan 20170 ppb
Jan 20140 ppb
Jan 20110 ppb
Jan 20080 ppb
Jan 200719 ppb
Jan 20040 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
PFOS8.3 ppt5 of 204 ppt MCL
PFOA5.5 ppt1 of 204 ppt MCL
PFPeA3.6 ppt1 of 20—
PFHxAnot detected0 of 20—
PFDAnot detected0 of 20—
PFNAnot detected0 of 20—
PFHxSnot detected0 of 20—
PFBSnot detected0 of 20—
HFPO-DA (GenX)not detected0 of 20—
PFBAnot detected0 of 20—
PFHpAnot detected0 of 20—

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 Scwa - Arden Park Vista had drinking water violations?

Health-based violations since 2016: Lead and Copper Rule Revisions. 1 is still listed as unresolved in EPA records.

What is the lead level in Scwa - Arden Park Vista water?

The latest 90th-percentile lead result (Jan 2023) was 0 ppb. EPA’s action level is 15 ppb (10 ppb from 2027).

Does Scwa - Arden Park Vista have PFAS in its water?

Highest PFOA or PFOS result in EPA’s 2023–2025 testing was at or above 4.0 ppt, EPA’s 2024 maximum contaminant level for each. 3 PFAS compounds detected.