CITY WATER REPORT
Is Plumas Lake Tap Water Safe? 2026 Water Quality Report
PLUMAS LAKE serves Plumas Lake · 10,464 residents.
- Utility
- PLUMAS LAKE
- Population served
- 10,464
- Water source
- Groundwater
- Disinfectant
- Pending utility report
- Hardness
- Pending utility report
Perfluorooctanoic acid (PFOA): not detected (limit 4.0 ng/L).
About this score
What the record shows
PLUMAS LAKE (EPA PWSID CA5805001) delivers groundwater to 10,464 residents. This report reflects 3 federally regulated PFAS result(s) from the 2024 UCMR5 round and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.
Your water system
resolution confirmed
- PLUMAS LAKE — serves most of the city
PLUMAS LAKE is the primary municipal supplier for most Plumas Lake addresses. Confirm your supplier on your utility bill.
PLUMAS LAKE is the public system on record for this city. This identifies which utility serves the city — confirm yours on your water bill before acting on a specific finding.
What stands out in Plumas Lake
Each row links to a dated measurement in the supplier profile. A missing measurement is never shown as a non-detect.
What this data doesn’t tell you
Public water-system monitoring reflects the system, not the water at an individual household tap at a given moment. Home plumbing, fixtures, storage, sampling location and timing can all change what actually reaches your glass.
The data behind this report
| Contaminant | Result | Benchmark | Sampled | Source |
|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — PLUMAS LAKE (CA5805001) |
| Perfluorooctane sulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — PLUMAS LAKE (CA5805001) |
| Perfluorohexane sulfonic acid (PFHxS) | < 10 ng/L | 10.0 ng/L federal MCL (2024) | 2024 | UCMR5 Analytical Results — PLUMAS LAKE (CA5805001) |
| Lead (90th percentile) | 0 µg/L | 15 µg/L federal action level | 2022-2024 | Lead & Copper Rule 90th-percentile — PLUMAS LAKE (CA5805001) |
Perfluorooctanoic acid (PFOA)
- Result
- < 4 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Sampled
- 2024
Perfluorooctane sulfonic acid (PFOS)
- Result
- < 4 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Sampled
- 2024
Perfluorohexane sulfonic acid (PFHxS)
- Result
- < 10 ng/L
- Benchmark
- 10.0 ng/L federal MCL (2024)
- Sampled
- 2024
Lead (90th percentile)
- Result
- 0 µg/L
- Benchmark
- 15 µg/L federal action level
- Sampled
- 2022-2024
Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify — a non-detect is not a guarantee of zero.
What can you do about it?
To reduce exposure to what was reported in Plumas Lake, these treatment technologies are relevant to the contaminants found here:
- Reverse osmosis
- NSF/ANSI 53 lead-certified filters
- Replacing lead service lines
Understand water treatment technologies — then the specific products below are matched to these findings.
Recommended solutions

NSF/ANSI 53 lead-reduction filter (optional)
leadOur pick: Clearly Filtered Water Filter Pitcher, 10 Cup BPA Free Water Filtration
Recommended because There is no safe level of lead, and older home plumbing can add it at the tap.
Recommendations are matched to the published findings first; the commercial offer is looked up afterwards and never changes which products qualify. As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.
Frequently asked questions
Who provides tap water in Plumas Lake?
PLUMAS LAKE (PWS ID CA5805001) is the public water system on record for Plumas Lake, California. Confirm the utility on your water bill before acting on a specific finding.
Where does Plumas Lake get its drinking water?
Groundwater (primary source of record in EPA SDWIS).
What does the latest Plumas Lake water report show?
Across the tracked parameters, PurityMap's current record for Plumas Lake shows 0 contaminants measured above their benchmark and 4 within benchmark. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.
Is there lead in Plumas Lake's tap water?
In Plumas Lake, lead is detected but within its action level in the published record. Lead can still enter water from household plumbing after it leaves the system, so a system result cannot rule out an individual tap — a certified home test is the only way to know yours.
Are PFAS "forever chemicals" in Plumas Lake's water?
PFAS compounds appear in Plumas Lake's published record; the findings show each one's measured state and how it compares to its benchmark.
Sources
Methodology: how we analyze water.
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- Systems published
- 1 of 1
- Latest sample on record
- 2024 (PFAS) / LCR (lead)
The record, not the water. These describe how completely the city is monitored — not a quality score.