Drinking water quality · 2023
· Verified
What's in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water
52 contaminants were measured in the Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 52
- Over federal limit
- 1
- Approaching the limit
- 2
- Worst contaminant
- PFOS
- Service area
- CA
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 4.5 ng/LAverageLos Angeles County Waterworks District #36 | 4 ng/LMCL | At or above the limit |
+By source (4)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency +1 more
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 3.9 ng/LAverageLos Angeles County Waterworks District #36 | 4 ng/LMCL | Approaching the limit |
+By source (4)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water) +1 more
| |||
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 8.3 ng/LAverageLos Angeles County Waterworks District #36 | 10 ng/LMCL | Approaching the limit |
+By source (4)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water) +1 more
| |||
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected ug/LMaximumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)ADONA, a newer-generation PFAS replacement compound. | Not detected ug/LMaximumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| 4:2 Fluorotelomer sulfonic acid (4:2 FTS)4:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected ug/LAverageLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| 6:2 Fluorotelomer sulfonic acid (6:2 FTS)6:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| 8:2 Fluorotelomer sulfonic acid (8:2 FTS)8:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detected ug/LMinimumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)N-ethyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)N-methyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Nonafluoro-3,6-dioxaheptanoic acidNonafluoro-3,6-dioxaheptanoic acid, a PFAS-related compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoro-3-methoxypropanoic acid (PFMPA)Perfluoro-3-methoxypropanoic acid, a PFAS-related compound. | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoro-4-methoxybutanoic acid (PFMBA)Perfluoro-4-methoxybutanoic acid, a PFAS-related compound. | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)Perfluoro(2-ethoxyethane)sulfonic acid, a PFAS-related compound. | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected ug/LMaximumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| Perfluorododecanoic acid (PFDoA)Perfluorododecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected ug/LMaximumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| Perfluoroheptanesulfonic acid (PFHpS)Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.' | Not detected ug/LMinimumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detected ug/LAverageSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoropentanesulfonic acid (PFPeS)Perfluoropentanesulfonic acid, a PFAS 'forever chemical.' | Not detected ug/LMinimumLos Angeles County Waterworks District #36 | None set | None detected |
+By source (2)— Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency
| |||
| Perfluorotetradecanoic acid (PFTeDA)Perfluorotetradecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluorotridecanoic acid (PFTrDA)Perfluorotridecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected ug/LMinimumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoroundecanoic acid (PFUnA)Perfluoroundecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected ug/LMaximumSanta Clarita Valley Water Agency | None set | None detected |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 2.4 ng/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (4)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water) +1 more
| |||
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ug/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 0.004 ug/LAverageSanta Clarita Valley Water Agency | None set | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ug/LAverageSanta Clarita Valley Water Agency | None set | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 3.7 mg/LAverageSanta Clarita Valley Water Agency (Groundwater) | 10 mg/LMCL | Within the limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.3 mg/LAverageSanta Clarita Valley Water Agency (Groundwater) | 4 mg/LMCL | Within the limit |
+By source (2)— Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water)
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 24 ug/LAverageLos Angeles County Waterworks District #36 | None set | Within the limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water), Los Angeles County Waterworks District #36
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9.2 ug/LAverageSanta Clarita Valley Water Agency (Surface Water) | None set | Within the limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water), Los Angeles County Waterworks District #36
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 367 ug/L90th percentileSanta Clarita Valley Water Agency (Groundwater) | None set | Within the limit |
+By source (2)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.23 mg/LAverageSanta Clarita Valley Water Agency (Groundwater) | 2 mg/LMCL | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0.1 ug/LAverageSanta Clarita Valley Water Agency (Groundwater) | None set | Within the limit |
| BoronA naturally occurring element from rock and soil. | 0.2 mg/LAverageSanta Clarita Valley Water Agency (Surface Water) | None set | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water)
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 102 mg/LAverageSanta Clarita Valley Water Agency (Groundwater) | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 2.3 ug/LMaximumSanta Clarita Valley Water Agency (Groundwater) | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 10 ug/LAverageSanta Clarita Valley Water Agency | None set | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency, Los Angeles County Waterworks District #36
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 30 mg/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 3.3 mg/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| SodiumA naturally occurring salt component. | 88 mg/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 1.3 ug/LMaximumSanta Clarita Valley Water Agency (Groundwater) | 5 ug/LMCL | Within the limit |
+By source (2)— Santa Clarita Valley Water Agency (Groundwater), Santa Clarita Valley Water Agency (Surface Water)
| |||
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0.7 ug/LMaximumSanta Clarita Valley Water Agency (Groundwater) | 5 ug/LMCL | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.6 pCi/LMaximumSanta Clarita Valley Water Agency (Groundwater) | 15 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 3.5 pCi/LAverageSanta Clarita Valley Water Agency (Surface Water) | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 3.4 pCi/LAverageSanta Clarita Valley Water Agency (Groundwater) | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %AverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 221 mg/LAverageSanta Clarita Valley Water Agency (Groundwater) | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 334 mg/LAverageLos Angeles County Waterworks District #36 | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36, Santa Clarita Valley Water Agency (Surface Water)
| |||
| pHA measure of how acidic or basic the water is. | 8.1AverageSanta Clarita Valley Water Agency (Surface Water) | None set | Detected — no federal limit |
+By source (3)— Santa Clarita Valley Water Agency (Surface Water), Santa Clarita Valley Water Agency (Groundwater), Los Angeles County Waterworks District #36
| |||
People also ask about Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's water
+Is Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA water utility lists 1 contaminant at or above the federal limit: PFOS. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water?
52 contaminants were measured in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 Consumer Confidence Report, spanning pfas ("forever chemicals"), metals, and physical & aggregate. 10 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water?
One contaminant in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 report sits at or above the federal limit: PFOS (1.1× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is PFOS, at 1.1× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Are any contaminants in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: PFOA and Perfluorohexanesulfonic acid. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.