PFOA
1.9× the limitPerfluorooctanoic acid
7.7ng/L
Each block = 4.0 ng/L federal MCL (2024)
EPA UCMR 5 · sampled 2023Evidence
City water report · 2026
Is Azusa Tap Water Safe? 2026 Water Quality Report
Short answer: Two PFAS, PFOA and PFOS, are above their federal limits (2024 limits that water systems have until at least 2029 to meet); everything else measured is within its reference or not detected. Azusa Light and Water serves 110,044 residents.
Likely match, check your bill
AZUSA LIGHT AND WATER serves Azusa
Your water bill or annual water quality report names your actual supplier.
- Source
- Surface water
- Lead service lines
- 0 lead
- AZUSA LIGHT AND WATERThis reportCA1910007 · 110,044 served
Your water utility
What stands out
Two PFAS above the 2024 federal limit
Each bar is drawn in blocks of the 4.0 ng/L federal MCL (2024), so the length shows how far above it the result sits.
PFOS
1.4× the limitPerfluorooctanesulfonic acid
5.8ng/L
Each block = 4.0 ng/L federal MCL (2024)
EPA UCMR 5 · sampled 2023Evidence
Coverage by group
31 results on record- PFAS (forever chemicals)2 above · 1 detected · 26 not detected
- Metals & lead1 not detected
- Disinfection by-productsNot monitored
- Other1 not detected
Every detected result
3 detected results, by distance from their limit
AZUSA LIGHT AND WATER (EPA PWSID CA1910007) delivers surface water to 110,044 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.
- Perfluorooctanoic acid (PFOA)EPA UCMR 5 · 20234.0 ng/L federal MCL (2024)7.7ng/LAbove limit
- Perfluorooctanesulfonic acid (PFOS)EPA UCMR 5 · 20234.0 ng/L federal MCL (2024)5.8ng/LAbove limit
- Perfluorohexanoic acid (PFHxA)EPA UCMR 5 · 2023400,000 ng/L Michigan EGLE state MCL (strictest US state)3.5ng/LWithin reference
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
- PFBA
- PFBS
- PFDA
- PFDoA
- PFEESA
- PFHpA
- PFHpS
- PFHxS
- PFMBA
- PFMPA
- PFNA
- PFPeA
- PFPeS
- PFTA
- PFTrDA
- PFUnA
- Lithium
- Lead (90th percentile)
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.
What you can do
Test first, then treat what was found
- 01 · TestTest your own tap
A tap test can confirm levels at your home before you choose treatment.
Certified labHow to test your tap → - 02 · Treat PFASReverse osmosis, or carbon certified for PFAS
PFOA 7.7 ng/L, above the 4 ng/L limit (+2 more PFAS detected)
NSF/ANSI 58 or 53, with PFOA/PFOS/PFHxA named on the listingTreatment for PFAS →
Commercial
Certified for a concern found here
Each card names which Azusa 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.
Under-Sink Filter
Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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
See all 9 products certified for a Azusa concern →
Countertop System
Aquasana Clean Water Machine Countertop Filter (AQ-CWM2)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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
Patriot Pure Ultimate Water Filtration System
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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)
- PFOA: eligible, evidence match
- PFOS: eligible, evidence match
- Not established: Perfluorohexanoic acid (PFHxA)
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 Azusa tap water safe to drink?
PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Azusa, PFOA 7.7 ng/L and PFOS 5.8 ng/L were measured above the 4 ng/L federal limit in EPA's 2024 testing. AZUSA LIGHT AND WATER (PWSID CA1910007) has a Purity Score of 59/100 (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 Azusa?
AZUSA LIGHT AND WATER (PWS ID CA1910007) is the public water system on record for Azusa, California, serving about 110,044 people. Confirm the utility on your water bill before acting on a specific finding.
Where does Azusa get its drinking water?
Surface water (primary source of record in EPA SDWIS).
Are PFAS "forever chemicals" in Azusa's water?
Yes. In EPA's UCMR 5 testing (2023-12-14 to 2024-12-02), PFOA was measured at 7.7 ng/L against a 4 ng/L federal limit and PFOS was measured at 5.8 ng/L against a 4 ng/L federal limit. PFHxA (3.5 ng/L, below the 400,000 ng/L state limit) was also detected. Reverse osmosis and filters certified to NSF/ANSI 53 for PFOA/PFOS reduce them at the tap.
Is there lead in Azusa's tap water?
Lead is not in Azusa's current published record. Lead usually enters from a building's own pipes and fixtures, so a certified home test is the way to know yours.
What does the latest Azusa water report show?
PurityMap's current record for Azusa holds 31 findings: 2 above a reference, 1 detected within the reference 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.
Follow this water
Follow Azusa's water
One email when a new sampling round is published, a result moves above or below its reference, or the system's score changes.
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Sources and dataAll 31 records and their sourcesEPA UCMR 5 · EPA SDWIS (Lead & Copper Rule)
| Contaminant | Result | Benchmark | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 7.7 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorooctanesulfonic acid (PFOS) | 5.8 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorohexanoic acid (PFHxA) | 3.5 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
28 other contaminants tested — none detected
| Contaminant | Result | Benchmark | Status | Sampled | Source |
|---|---|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Lead (90th percentile) | Non-Detect (ND) | 15 µg/L federal action level | Not detected above the reporting limit | 2024–2026 monitoring period (still open) | Lead & Copper Rule 90th-percentile: AZUSA LIGHT AND WATER (CA1910007) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-12-14 to 2024-12-02 | UCMR5 Analytical Results: AZUSA LIGHT AND WATER (CA1910007) |
- Result
- 7.7 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Status
- Above a historical reference; current applicability unverified
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorooctanesulfonic acid (PFOS)
- Result
- 5.8 ng/L
- Benchmark
- 4.0 ng/L federal MCL (2024)
- Status
- Above a historical reference; current applicability unverified
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorohexanoic acid (PFHxA)
- Result
- 3.5 ng/L
- Benchmark
- 400,000 ng/L Michigan EGLE state MCL (strictest US state)
- Status
- Within a historical reference; current applicability unverified
- Sampled
- 2023-12-14 to 2024-12-02
28 other contaminants 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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
- Result
- Non-Detect (ND)
- Benchmark
- 15 µg/L federal action level
- Status
- Not detected above the reporting limit
- Sampled
- 2024–2026 monitoring period (still open)
- Result
- < 9 µg/L
- Benchmark
- 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
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
- 2023-12-14 to 2024-12-02
- Result
- < 5 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
- Result
- < 3 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorododecanoic acid (PFDoA)
- Result
- < 3 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluoroheptanesulfonic acid (PFHpS)
- Result
- < 3 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluoroheptanoic acid (PFHpA)
- Result
- < 3 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorohexanesulfonic acid (PFHxS)
- Result
- < 3 ng/L
- Benchmark
- 10 ng/L federal MCL (2024)
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
- Result
- < 4 ng/L
- Benchmark
- 10 ng/L federal MCL (2024)
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluoropentanesulfonic acid (PFPeS)
- Result
- < 4 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluoropentanoic acid (PFPeA)
- Result
- < 3 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorotetradecanoic acid (PFTA)
- Result
- < 8 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluorotridecanoic acid (PFTrDA)
- Result
- < 7 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
Perfluoroundecanoic acid (PFUnA)
- Result
- < 2 ng/L
- Benchmark
- No federal or state limit; shown for transparency
- Status
- Not detected above the reporting limit
- Sampled
- 2023-12-14 to 2024-12-02
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: AZUSA LIGHT AND WATER (CA1910007)
US EPA
State SDWIS Compliance Record
Lead & Copper Rule 90th-percentile: AZUSA LIGHT AND WATER (CA1910007)
US EPA SDWIS
Methodology: how we analyze water. Prepared with AI assistance and reviewed by the PurityMap Editorial Team before publication.
Something off with your water's smell, color or taste?
Start with the hot-or-cold tap check. Where Azusa Light and Water reported something related, it's shown below.
- Rotten-egg smell
- Cloudy or milky water
- Chlorine smell
- Brown or yellow water
- Metallic taste
Lead at Azusa Light and Water: not detected (90th percentile, 2024–2026 monitoring period (still open)). Lead has no taste, so a taste neither shows nor rules it out.
ZIP codes in Azusa
A ZIP code is a postal area, not a water service area. Your water bill names your supplier.