ELSINORE VALLEY MWDlikely match
City water report · 2026

Is Lake Elsinore Tap Water Safe? 2026 Water Quality Report

Short answer: No measured result is above a legal limit; lithium sits above a screening level. Elsinore Valley Municipal Water District serves 169,455 residents.

Likely match, check your bill

ELSINORE VALLEY MWD serves Lake Elsinore

Your water bill or annual water quality report names your actual supplier.

Source
Surface water
Lead service lines
0 lead
  • CA3310012 · 169,455 served

Your water utility

Elsinore Valley Municipal Water District: contact and record

Also supplies: Wildomar, Lakeland Village, Canyon Lake

Every detected result

3 detected results, by distance from their limit

ELSINORE VALLEY MWD (EPA PWSID CA3310012) delivers surface water to 169,455 residents. This report reflects 29 individual PFAS result(s) from the source UCMR5 observations and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.

  • LithiumEPA UCMR 5 · 2023
    10 µg/L EPA health reference level (screening, not a legal limit)
    39µg/L
    Above screening
  • Lead (90th percentile)EPA SDWIS (Lead & Copper Rule) · 2023
    15 µg/L federal action level
    1.3µg/L
    Within reference
  • No federal or state limit; shown for transparency
    7ng/L
    Detected · no limit
28 other contaminants tested, none detected
  • 11Cl-PF3OUdS
  • 4:2 FTS
  • 6:2 FTS
  • 8:2 FTS
  • 9Cl-PF3ONS
  • ADONA
  • HFPO-DA (GenX)
  • NEtFOSAA
  • NFDHA
  • NMeFOSAA
  • PFBS
  • PFDA
  • PFDoA
  • PFEESA
  • PFHpA
  • PFHpS
  • PFHxA
  • PFHxS
  • PFMBA
  • PFMPA
  • PFNA
  • PFOA
  • PFOS
  • PFPeA
  • PFPeS
  • PFTA
  • PFTrDA
  • PFUnA

Coverage by group

31 results on record
  • PFAS (forever chemicals)1 detected · 28 not detected
  • Metals & lead1 detected
  • Disinfection by-productsNot monitored
  • Other1 above
Track record

0health-based violations in the last 10 years

From EPA SDWIS. A clean violation history means no enforcement action was recorded; it does not cover contaminants without a limit.

Not in this recordDisinfection by-products weren't monitored in this dataset

No result is not a pass. Your utility's annual water quality report may list them, and a certified lab test covers your own tap.

Test your own tap

Screening tells you if something is worth a closer look; a lab result is the number you can act on.

As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure.

  • Screening: quick check, not lab-grade

    Safe Home DIY Lead in Drinking Water Combo Test Kit

    Safe Home (EnviroTestKits)

    Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb

    • Turnaround: 5 minutes

    What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.

  • Lab-certified results

    ETR Labs Basic Water Quality Test Kit

    ETR Laboratories

    50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria

    What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.

When your results arrive, read them here →

Commercial

Certified for a concern found here

Each card names which Lake Elsinore findings its current certification covers, and which it doesn't.

As an Amazon Associate, PurityMap earns from qualifying purchases. A product appears here only when a current certification record covers at least one identified concern; every concern stays listed. The retail offer is looked up afterwards and never changes which products appear or their order. Affiliate disclosure.

Water Pitcher

Brita Elite Water Filter Pitcher

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Water Pitcher

Culligan ZeroWater 10-Cup Pitcher (ZEROP10)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
See all 13 products certified for a Lake Elsinore concern →
Faucet Attachment

PUR Plus Faucet Filter (FM2500V)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Under-Sink Filter

Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (5)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
  • Anyone who can't plumb, drill or hire an installer
  • Renters who can't modify plumbing
Under-Sink Filter

Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (5)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
  • Anyone who can't plumb, drill or hire an installer
  • Renters who can't modify plumbing
Countertop System

Aquasana Clean Water Machine Countertop Filter (AQ-CWM2)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Under-Sink Filter

Frizzlife SP99 Under-Sink Filter

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (4)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
  • Anyone who can't plumb, drill or hire an installer
Countertop System

Patriot Pure Ultimate Water Filtration System

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Countertop System

AquaTru Carafe Countertop Reverse-Osmosis Purifier (AT100)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Countertop System

AquaTru Classic Countertop Reverse-Osmosis Purifier (AT2000)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Under-Sink Filter

Waterdrop G3P600 Tankless Reverse-Osmosis System

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (5)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
  • Anyone who can't plumb, drill or hire an installer
  • Renters who can't modify plumbing
Under-Sink Filter

Waterdrop G3P800 Tankless Reverse-Osmosis System

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (5)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
  • Anyone who can't plumb, drill or hire an installer
  • Renters who can't modify plumbing
Refrigerator Filter

Whirlpool Filter 3 Refrigerator Water Filter (WHR3RXD1)

  • Lead: eligible, evidence match
  • Not established: Lithium, Perfluorobutanoic acid (PFBA)
Not suitable for (3)
  • Treating every tap in the home
  • A whole-home hard-water or scale problem
  • All PFAS: its evidence covers only the compounds it names
Questions

Frequently asked questions

Is Lake Elsinore tap water safe to drink?

PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Lake Elsinore, PFBA 7 ng/L was detected, with no federal or state limit; the lead 90th-percentile result was 1.3 µg/L against the 15 µg/L action level. ELSINORE VALLEY MWD (PWSID CA3310012) has a Purity Score of 99/100 (confidence: moderate), assessed at the water-system level and computed only from contaminants that were measured. Water can change in your own pipes, so a certified test is the only way to know what comes out of your tap.

Who provides tap water in Lake Elsinore?

ELSINORE VALLEY MWD (PWS ID CA3310012) is the public water system on record for Lake Elsinore, California, serving about 169,455 people. Confirm the utility on your water bill before acting on a specific finding.

Where does Lake Elsinore get its drinking water?

Surface water (primary source of record in EPA SDWIS).

Are PFAS "forever chemicals" in Lake Elsinore's water?

Yes. In EPA's UCMR 5 testing (2023-02-16 to 2025-12-08), PFBA was detected at 7 ng/L. It has no federal or state limit, so PurityMap shows it without grading it. No PFAS with a limit was detected.

Is there lead in Lake Elsinore's tap water?

ELSINORE VALLEY MWD's most recent lead 90th-percentile result (2023–2025) was 1.3 µg/L, below the 15 µg/L action level. That figure comes from sampled homes; lead usually enters from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.

What does the latest Lake Elsinore water report show?

PurityMap's current record for Lake Elsinore holds 31 findings: 1 above a reference, 1 detected within the reference, 1 detected with no limit and 28 not detected. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.

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Sources and dataAll 31 records and their sourcesEPA UCMR 5 · EPA SDWIS (Lead & Copper Rule)
ContaminantResultBenchmarkStatusSampledSource
Lithium39 µg/L10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limitAbove the referenced health-based guidance value2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Lead (90th percentile)1.3 µg/L15 µg/L federal action levelBelow the listed reference2023–2025 monitoring periodLead & Copper Rule 90th-percentile: ELSINORE VALLEY MWD (CA3310012)
Perfluorobutanoic acid (PFBA)7 ng/LNo federal or state limit; shown for transparencyDetected, no limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
28 other PFAS tested — none detected
ContaminantResultBenchmarkStatusSampledSource
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)< 5 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)< 5 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)< 6 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)< 20 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoro-3-methoxypropanoic acid (PFMPA)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoro-4-methoxybutanoic acid (PFMBA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorobutanesulfonic acid (PFBS)< 3 ng/L2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limitNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorodecanoic acid (PFDA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorododecanoic acid (PFDoA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoroheptanesulfonic acid (PFHpS)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoroheptanoic acid (PFHpA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorohexanesulfonic acid (PFHxS)< 3 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorohexanoic acid (PFHxA)< 3 ng/L400,000 ng/L Michigan EGLE state MCL (strictest US state)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorononanoic acid (PFNA)< 4 ng/L10 ng/L federal MCL (2024)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorooctanesulfonic acid (PFOS)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorooctanoic acid (PFOA)< 4 ng/L4.0 ng/L federal MCL (2024)Not detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoropentanesulfonic acid (PFPeS)< 4 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoropentanoic acid (PFPeA)< 3 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorotetradecanoic acid (PFTA)< 8 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluorotridecanoic acid (PFTrDA)< 7 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)
Perfluoroundecanoic acid (PFUnA)< 2 ng/LNo federal or state limit; shown for transparencyNot detected above the reporting limit2023-02-16 to 2025-12-08UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)

Lithium

Result
39 µg/L
Benchmark
10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit
Status
Above the referenced health-based guidance value
Sampled
2023-02-16 to 2025-12-08

Lead (90th percentile)

Result
1.3 µg/L
Benchmark
15 µg/L federal action level
Status
Below the listed reference
Sampled
2023–2025 monitoring period

Perfluorobutanoic acid (PFBA)

Result
7 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Detected, no limit
Sampled
2023-02-16 to 2025-12-08
28 other PFAS tested — none detected

11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)

Result
< 5 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)

Result
< 5 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)

Result
< 5 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

4,8-Dioxa-3H-perfluorononanoic acid (ADONA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)

Result
< 2 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)

Result
< 5 ng/L
Benchmark
10 ng/L federal MCL (2024)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)

Result
< 5 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)

Result
< 6 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)

Result
< 20 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoro-3-methoxypropanoic acid (PFMPA)

Result
< 4 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoro-4-methoxybutanoic acid (PFMBA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorobutanesulfonic acid (PFBS)

Result
< 3 ng/L
Benchmark
2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorodecanoic acid (PFDA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorododecanoic acid (PFDoA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoroheptanesulfonic acid (PFHpS)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoroheptanoic acid (PFHpA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorohexanesulfonic acid (PFHxS)

Result
< 3 ng/L
Benchmark
10 ng/L federal MCL (2024)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorohexanoic acid (PFHxA)

Result
< 3 ng/L
Benchmark
400,000 ng/L Michigan EGLE state MCL (strictest US state)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorononanoic acid (PFNA)

Result
< 4 ng/L
Benchmark
10 ng/L federal MCL (2024)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorooctanesulfonic acid (PFOS)

Result
< 4 ng/L
Benchmark
4.0 ng/L federal MCL (2024)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorooctanoic acid (PFOA)

Result
< 4 ng/L
Benchmark
4.0 ng/L federal MCL (2024)
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoropentanesulfonic acid (PFPeS)

Result
< 4 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoropentanoic acid (PFPeA)

Result
< 3 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorotetradecanoic acid (PFTA)

Result
< 8 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluorotridecanoic acid (PFTrDA)

Result
< 7 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

Perfluoroundecanoic acid (PFUnA)

Result
< 2 ng/L
Benchmark
No federal or state limit; shown for transparency
Status
Not detected above the reporting limit
Sampled
2023-02-16 to 2025-12-08

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.

  • UCMR5 Analytical Results

    UCMR5 Analytical Results: ELSINORE VALLEY MWD (CA3310012)

    US EPA

    Published
    2026-01-15
    Newest sample
    2025-12-08
    Findings here
    30
  • State SDWIS Compliance Record

    Lead & Copper Rule 90th-percentile: ELSINORE VALLEY MWD (CA3310012)

    US EPA SDWIS

    Published
    2026-07-09
    Newest sample
    2025
    Findings here
    1

Methodology: how we analyze water. Prepared with AI assistance and reviewed by the PurityMap Editorial Team before publication.

ZIP codes in Lake Elsinore

A ZIP code is a postal area, not a water service area. Your water bill names your supplier.