Drinking water quality · 2024
· Verified
What's in Los Angeles-city, Dept. of Water & Power, CA tap water
141 contaminants were measured in the Los Angeles-city, Dept. of Water & Power, CA water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 141
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Los Angeles-city, Dept. of Water & Power, CA
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)Measured 100 mg/LSample year 2023Samples 4 detect / 4
above national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PWSID CA1910067 · Source: EPA UCMR5. Limits per EPA's April 2024 PFAS National Primary Drinking Water Regulation. PFAS values reported in nanograms per liter (ng/L) — note that 1 ng/L = 1 part per trillion.
Where your water comes from · EPA SDWIS
Los Angeles-city, Dept. of Water & Power, CA's drinking water comes from ground water, drawn from 54 sources.
Source
54ground water
- RINALDI TOLUCA · 15
- NORTH HOLLYWOOD · 11
- TUJUNGA · 9
- MANHATTAN · 5
- + 11 more
Treatment
27treatment plants
- NORTH HOLLYWOOD WEST WELLHEAD TREATMENT
- TOYONIN BLEND
- RIVER SUPPY CONDUIT BCL - TREATED
- + 24 more
Distribution
99storage units
Also buys water from BURBANK-CITY, WATER DEPT., METROPOLITAN WATER DIST. OF SO. CAL..
Source: EPA SDWIS facilities inventory. Methodology.
Historical readings · EPA Six-Year Review (2012–2019)
11 contaminants historically over EPA limits in Los Angeles-city, Dept. of Water & Power, CA
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
TCE worst: 2015 | 0.246 mg/L 49.2× | 0.005 mg/L | '12'13'15'16'17'18'19 |
NITRATE NITRITE worst: 2013 | 480 mg/L 48.0× | 10 mg/L | '13'16'17'18'19 |
PCE worst: 2018 | 0.0673 mg/L 13.5× | 0.005 mg/L | '12'13'14'15'16'17'18'19 |
GROSS BETA worst: 2017 | 14 mrem/yr 3.5× | 4 mrem/yr | '12'13'14'15'16'17'18'19 |
CHROMIUM worst: 2015 | 0.348 mg/L 3.5× 34.8× the national p90 | 0.1 mg/L | '12'13'14'15'16'17'18'19 |
TTHM worst: 2012 | 0.214 mg/L 2.7× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
DICHLOROETHYLENE 11 worst: 2012 | 0.0159 mg/L 2.3× above national p90 | 0.007 mg/L | '12'13'14'15'16'17'18'19 |
ARSENIC worst: 2016 | 0.0202 mg/L 2.0× above national p90 | 0.01 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2012 | 0.085 mg/L 1.4× | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE worst: 2015 | 14.1 mg/L 1.4× | 10 mg/L | '12'13'14'15'16'17'18'19 |
BROMATE worst: 2013 | 0.0119 mg/L 1.2× | 0.01 mg/L | '12'13'15'19 |
CARBON TETRACHLORIDE worst: 2012 | 0.00296 mg/L within near national p90 | 0.005 mg/L | '12'13'14'15'16'17'18'19 |
SELENIUM worst: 2016 | 0.0224 mg/L within | 0.05 mg/L | '12'13'14'15'16'17'18'19 |
FLUORIDE worst: 2018 | 1.56 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
RADIUM 226 228 worst: 2018 | 1.26 pCi/L within below national p90 | 5 pCi/L | '18 |
CADMIUM worst: 2015 | 0.0012 mg/L within below national p90 | 0.005 mg/L | '15 |
DICHLOROETHANE 12 worst: 2016 | 0.000603 mg/L within below national p90 | 0.005 mg/L | '13'15'16'19 |
BARIUM worst: 2012 | 0.218 mg/L within near national p90 | 2 mg/L | '12'13'14'15'16'17'18'19 |
CIS DICHLOROETHYLENE 12 worst: 2013 | 0.00746 mg/L within near national p90 | 0.07 mg/L | '12'13'14'15'16'17'18'19 |
TRICHLOROETHANE 111 worst: 2012 | 0.00213 mg/L within below national p90 | 0.2 mg/L | '12'13'14'15'16 |
URANIUM worst: 2016 | 0.0309 ug/L within above national p90 | 30 ug/L | '12'13'14'15'16'17'18'19 |
TOLUENE worst: 2019 | 0.000522 mg/L within | 1 mg/L | '19 |
XYLENES TOTAL worst: 2014 | 0.00189 mg/L within | 10 mg/L | '14 |
NITRITE worst: 2019 | 0.0000284 mg/L within | 1 mg/L | '19 |
COPPER worst: 2014 | 0.167 mg/L below national p90 | — | '14'15'16'18'19 |
LEAD worst: 2014 | 0.0421 mg/L | — | '14'15'19 |
PWSID CA1910067 · Source: EPA Six-Year Review 4 (2012–2019). Values are the highest detection in each calendar year; non-detect years are omitted. Year tags above show every year with a detection.
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 661.15 MG/LAverageEntry point | 1000 MG/LMCL | Within the limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 872.2608695652174 UMHO/CMAverageEntry point | 1600 UMHO/CMMCL | Within the limit |
| ColorA measure of visible tint in the water. | 5.869565217391305 UNITSAverageSource water | 15 UNITSMCL | Within the limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 1.2891304347826087 NTUAverageSource water | 5 NTUMCL | Within the limit |
| OdorA measure of detectable smell in the water. | 0.7115384615384616 TONAverageSource water | 3 TONMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 123.30263157894737 MG/LAverageSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 340.3181818181818 MG/LAverageEntry point | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.828476190476191 PHAverageDistribution | None set | Detected — no federal limit |
| TemperatureThe measured temperature of the water sample. | 19.52 CAverageSource water | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| SulfateA naturally occurring mineral from rock and soil. | 169.63880487804877 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 37.24444444444445 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| Cyanide | 5.6875 UG/LAverageEntry point | 150 UG/LMCL | Within the limit |
| Asbestos | Not detected MFLHighest single sampleEntry point | 7 MFLMCL | None detected |
| Ammonia | 0.48 MG/LAverageEntry point | None set | Detected — no federal limit |
| BromideA naturally occurring salt found in source water. | 0.14256538461538462 MG/LAverageSource water | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ManganeseA naturally occurring metal from soil and rock. | 16.62063492063492 UG/LAverageSource water | 50 UG/LMCL | Within the limit |
| IronA naturally occurring metal common in groundwater. | 71.22857142857143 UG/LAverageSource water | 300 UG/LMCL | Within the limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 2.1893846153846153 UG/LAverageSource water | 10 UG/LMCL | Within the limit |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | 0.11000000000000001 UG/LAverageSource water | 2 UG/LMCL | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 33.80869565217392 UG/LAverageSource water | 1000 UG/LMCL | Within the limit |
| Strontium | 0.18466666666666665 PCI/LAverageSource water | 8 PCI/LMCL | Within the limit |
| NickelA metal from natural deposits and industrial discharge. | 0.8391304347826087 UG/LAverageSource water | 100 UG/LMCL | Within the limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 5.560869565217391 UG/LAverageSource water | 5000 UG/LMCL | Within the limit |
| Antimony | Not detected UG/LHighest single sampleEntry point | 6 UG/LMCL | None detected |
| Beryllium | Not detected UG/LHighest single sampleEntry point | 4 UG/LMCL | None detected |
| Thallium | Not detected UG/LHighest single sampleEntry point | 2 UG/LMCL | None detected |
| BoronA naturally occurring element from rock and soil. | 439.375 UG/LAverageEntry point | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 65.528125 MG/LAverageEntry point | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 25.6096 MG/LAverageSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 4.65391304347826 MG/LAverageSource water | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 20.651111111111113 MG/LAverageSource water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 54.38260869565217 MG/LAverageSource water | None set | Detected — no federal limit |
| Vanadium | 3.2695652173913046 UG/LAverageSource water | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 1.4525867768595042 UG/LAverageSource water | 6 UG/LMCL | Within the limit |
| Chlorite | Not detected MG/LHighest single sampleSource water | 1 MG/LMCL | None detected |
| N-Nitrosodi-n-butylamine | Not detected UG/LHighest single sampleSource water | None set | None detected |
| NDMA | Not detected UG/LHighest single sampleSource water | None set | None detected |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 6.316421568627451 UG/LAverageDistribution | None set | Detected — no federal limit |
| BromoformA trihalomethane disinfection byproduct. | 2.0405686274509804 UG/LAverageDistribution | None set | Detected — no federal limit |
| ChlorateA byproduct that can form during disinfection, especially when hypochlorite solutions degrade. | 35.925490196078435 UG/LAverageEntry point | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 6.531521739130435 UG/LAverageEntry point | None set | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | 6.811421568627451 UG/LAverageDistribution | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.06704 PCI/LAverageSource water | 15 PCI/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.11143243243243244 PCI/LAverageSource water | 5 PCI/LMCL | Within the limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Dichloromethane | 0.2560555555555556 UG/LAverageEntry point | 5 UG/LMCL | Within the limit |
| 1,2,3-TCP | Not detected UG/LHighest single sampleEntry point | 0.005 UG/LMCL | None detected |
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Benzene | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Benzo(a)pyrene | Not detected UG/LHighest single sampleSource water | 0.2 UG/LMCL | None detected |
| ChloroethaneA volatile organic compound used in some industrial processes. | Not detected UG/LHighest single sampleEntry point | None set | None detected |
| Chloromethane | Not detected UG/LHighest single sampleSource water | None set | None detected |
| Dalapon | Not detected UG/LHighest single sampleSource water | 200 UG/LMCL | None detected |
| Ethylbenzene | Not detected UG/LHighest single sampleEntry point | 300 UG/LMCL | None detected |
| Simazine | Not detected UG/LHighest single sampleSource water | 4 UG/LMCL | None detected |
| XylenesA group of industrial solvents found in gasoline and paint. | Not detected UG/LHighest single sampleSource water | 1750 UG/LMCL | None detected |
| Dichlorodifluoromethane | 0.2607216494845361 UG/LAverageSource water | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorobenzene | 0.25499420289855074 UG/LAverageSource water | 70 UG/LMCL | Within the limit |
| Carbofuran | Not detected UG/LHighest single sampleSource water | 18 UG/LMCL | None detected |
| Chlordane | Not detected UG/LHighest single sampleSource water | 0.1 UG/LMCL | None detected |
| Deha | Not detected UG/LHighest single sampleSource water | 400 UG/LMCL | None detected |
| Dehp | Not detected UG/LHighest single sampleSource water | 4 UG/LMCL | None detected |
| Dichloropropane 12 | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Dinoseb | Not detected UG/LHighest single sampleSource water | 7 UG/LMCL | None detected |
| Diquat | Not detected UG/LHighest single sampleSource water | 20 UG/LMCL | None detected |
| Edb | Not detected UG/LHighest single sampleSource water | 0.05 UG/LMCL | None detected |
| Endothall | Not detected UG/LHighest single sampleSource water | 100 UG/LMCL | None detected |
| Endrin | Not detected UG/LHighest single sampleSource water | 2 UG/LMCL | None detected |
| Glyphosate | Not detected UG/LHighest single sampleSource water | 700 UG/LMCL | None detected |
| Heptachlor | Not detected UG/LHighest single sampleSource water | 0.01 UG/LMCL | None detected |
| Heptachlor Epoxide | Not detected UG/LHighest single sampleSource water | 0.01 UG/LMCL | None detected |
| Hexachlorobenzene | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Hexachlorocyclopentadiene | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| Mbaa | Not detected UG/LHighest single sampleDistribution | None set | None detected |
| Methoxychlor | Not detected UG/LHighest single sampleSource water | 30 UG/LMCL | None detected |
| O Dichlorobenzene | Not detected UG/LHighest single sampleEntry point | 600 UG/LMCL | None detected |
| Oxamyl | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| P Dichlorobenzene | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Pcb Total | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
| Pentachlorophenol | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Picloram | Not detected UG/LHighest single sampleSource water | 500 UG/LMCL | None detected |
| Styrene | Not detected UG/LHighest single sampleEntry point | 100 UG/LMCL | None detected |
| Toxaphene | Not detected UG/LHighest single sampleSource water | 3 UG/LMCL | None detected |
| Trans Dichloroethylene 12 | Not detected UG/LHighest single sampleSource water | 10 UG/LMCL | None detected |
| Trichlorobenzene 124 | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Trichloroethane 112 | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Twofourd | Not detected UG/LHighest single sampleSource water | 70 UG/LMCL | None detected |
| Vinyl Chloride | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
| Dbaa | 1.5174271844660192 UG/LAverageDistribution | None set | Detected — no federal limit |
| Dcaa | 3.83626213592233 UG/LAverageDistribution | None set | Detected — no federal limit |
| Mcaa | 0.6785436893203883 UG/LAverageDistribution | None set | Detected — no federal limit |
| Tcaa | 1.5862135922330096 UG/LAverageDistribution | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | Not detected MG/LHighest single sampleSource water | None set | None detected |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)ADONA, a newer-generation PFAS replacement compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| 4:2 Fluorotelomer sulfonic acid (4:2 FTS)4:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| 6:2 Fluorotelomer sulfonic acid (6:2 FTS)6:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| 8:2 Fluorotelomer sulfonic acid (8:2 FTS)8:2 fluorotelomer sulfonic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)N-ethyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)N-methyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro-3-methoxypropanoic acid (PFMPA)Perfluoro-3-methoxypropanoic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro-4-methoxybutanoic acid (PFMBA)Perfluoro-4-methoxybutanoic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)Perfluoro(2-ethoxyethane)sulfonic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluorododecanoic acid (PFDoA)Perfluorododecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoroheptanesulfonic acid (PFHpS)Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Perfluorotetradecanoic acid (PFTeDA)Perfluorotetradecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluorotridecanoic acid (PFTrDA)Perfluorotridecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Perfluoroundecanoic acid (PFUnA)Perfluoroundecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | 1.1362068965517242 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.6551724137931036 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoropentanesulfonic acid (PFPeS)Perfluoropentanesulfonic acid, a PFAS 'forever chemical.' | 1.2000000000000002 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.3421052631578947 NG/LAverageSource water | None set | Detected — no federal limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.6780701754385965 NG/LAverageSource water | None set | Detected — no federal limit |
Source: Los Angeles-city, Dept. of Water & Power, CA's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.
People also ask about Los Angeles-city, Dept. of Water & Power, CA's water
+Is Los Angeles-city, Dept. of Water & Power, CA tap water safe to drink in 2024?
Every one of the 141 contaminants measured in Los Angeles-city, Dept. of Water & Power, CA's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Los Angeles-city, Dept. of Water & Power, CA tap water?
141 contaminants were measured in Los Angeles-city, Dept. of Water & Power, CA's 2024 Consumer Confidence Report, spanning other, metals, and pfas ("forever chemicals"). 86 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Los Angeles-city, Dept. of Water & Power, CA's 2024 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-city, Dept. of Water & Power, 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 2024 report; a new report will replace it once the utility publishes its next annual update.
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