Drinking water quality · 2025
· Verified
What's in Glendale-city, Water Dept., CA tap water
129 contaminants were measured in the Glendale-city, Water Dept., CA water system's 2025 annual report. Each is shown below against its federal limit — 11 sit at or above that limit.
- Reporting year
- 2025
- Contaminants measured
- 129
- Over federal limit
- 11
- Approaching the limit
- 2
- Worst contaminant
- Tce
- Service area
- CA
59.4× the limit
state-level CCR
At or above the federal limit
- TceOther · Average296.85 UG/Llimit 5 UG/L · 59.4× the limit
- PceOther · Average52.739999999999995 UG/Llimit 5 UG/L · 10.5× the limit
- 1,2,3-TCPVOCs & pesticides · Average0.032440000000000004 UG/Llimit 0.005 UG/L · 6.5× the limit
- Dichloroethylene 11Other · Average32.672000000000004 UG/Llimit 6 UG/L · 5.4× the limit
- PFOSPFAS ("forever chemicals") · Highest single sample15.8 ng/Llimit 4 ng/L · 4.0× the limit
- PFOAPFAS ("forever chemicals") · Highest single sample14.8 ng/Llimit 4 ng/L · 3.7× the limit
- Chromium, HexavalentMetals · Average29.880000000000003 UG/Llimit 10 UG/L · 3.0× the limit
- IronMetals · Average824.4 UG/Llimit 300 UG/L · 2.7× the limit
- Carbon TetrachlorideOther · Average1.1800000000000002 UG/Llimit 0.5 UG/L · 2.4× the limit
- Cis Dichloroethylene 12Other · Average8.142 UG/Llimit 6 UG/L · 1.4× the limit
- ChromiumOther · Average54.6 UG/Llimit 50 UG/L · 1.1× the limit
PFAS — EPA UCMR5 (2023–2025)
2 PFAS compounds above EPA limits in Glendale-city, Water Dept., 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.
PFOS (Perfluorooctane sulfonic acid)
● Over EPA limit (4.0×)Measured 15.8 ng/LEPA limit 4 ng/LSample year 2025Samples 3 detect / 7
near national p90 (19.900000000000006 ng/L across detecting U.S. systems)
PFOA (Perfluorooctanoic acid)
● Over EPA limit (3.7×)Measured 14.8 ng/LEPA limit 4 ng/LSample year 2025Samples 3 detect / 7
above national p90 (13.649999999999999 ng/L across detecting U.S. systems)
PFHxS (Perfluorohexane sulfonic acid)
● Below limitMeasured 5.5 ng/LEPA limit 10 ng/LSample year 2025Samples 3 detect / 7
below national p90 (12.049999999999997 ng/L across detecting U.S. systems)
PFBA
● Detected (no federal limit)Measured 11 ng/LSample year 2025Samples 3 detect / 7
near national p90 (18 ng/L across detecting U.S. systems)
Lithium
● Detected (no federal limit)Measured 60.4 mg/LSample year 2025Samples 3 detect / 7
near national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFBS
● Detected (no federal limit)Measured 16.9 ng/LSample year 2025Samples 3 detect / 7
above national p90 (13.909999999999979 ng/L across detecting U.S. systems)
PFHpA
● Detected (no federal limit)Measured 5.3 ng/LSample year 2025Samples 3 detect / 7
near national p90 (9.309999999999999 ng/L across detecting U.S. systems)
PFHxA
● Detected (no federal limit)Measured 11.6 ng/LSample year 2025Samples 3 detect / 7
near national p90 (12.190000000000003 ng/L across detecting U.S. systems)
PFPeA
● Detected (no federal limit)Measured 12.2 ng/LSample year 2024Samples 3 detect / 5
near national p90 (15.95999999999999 ng/L across detecting U.S. systems)
PWSID CA1910043 · 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
Glendale-city, Water Dept., CA's drinking water comes from ground water, drawn from 14 sources.
Source
14ground water
- GLORIETTA · 3
- FOOTHILL WELL
- VERDUGO INFILT SYSTEM
- GOU GS-3 DISCHARGE
- + 8 more
Treatment
15treatment plants
- GNOU - UV EFFLUENT
- GSOU - UV INFLUENT
- GSOU - UV EFFLUENT
- + 12 more
Distribution
28storage units
Also buys water from METROPOLITAN WATER DIST. OF SO. CAL., CRESCENTA VALLEY CWD, and 1 more.
Source: EPA SDWIS facilities inventory. Methodology.
Historical readings · EPA Six-Year Review (2012–2019)
9 contaminants historically over EPA limits in Glendale-city, Water Dept., 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) |
|---|---|---|---|
PCE worst: 2019 | 0.24 mg/L 48.0× | 0.005 mg/L | '19 |
DICHLOROETHYLENE 11 worst: 2014 | 0.057 mg/L 8.1× 7.0× the national p90 | 0.007 mg/L | '12'13'14'15'16'17'18'19 |
CYANIDE worst: 2013 | 0.64 mg/L 3.2× 5.1× the national p90 | 0.2 mg/L | '13 |
CARBON TETRACHLORIDE worst: 2014 | 0.012 mg/L 2.4× 2.4× the national p90 | 0.005 mg/L | '12'13'14'15'16'17'18'19 |
GROSS BETA worst: 2018 | 8.2 mrem/yr 2.0× | 4 mrem/yr | '14'16'17'18'19 |
TRICHLOROETHANE 112 worst: 2013 | 0.0075 mg/L 1.5× 3.1× the national p90 | 0.005 mg/L | '12'13'14'15 |
CHROMIUM worst: 2019 | 0.15 mg/L 1.5× 15.0× the national p90 | 0.1 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE worst: 2012 | 11.5 mg/L 1.2× | 10 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2018 | 11 mg/L 1.1× | 10 mg/L | '16'17'18'19 |
TTHM worst: 2012 | 0.076 mg/L 95% | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
ARSENIC worst: 2014 | 0.0057 mg/L within below national p90 | 0.01 mg/L | '12'13'14'16'18 |
DICHLOROMETHANE worst: 2017 | 0.0027 mg/L within | 0.005 mg/L | '17 |
PENTACHLOROPHENOL worst: 2017 | 0.00051 mg/L within | 0.001 mg/L | '17'19 |
DICHLOROETHANE 12 worst: 2016 | 0.0018 mg/L within near national p90 | 0.005 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2014 | 0.021 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
TRANS DICHLOROETHYLENE 12 worst: 2017 | 0.033 mg/L within | 0.1 mg/L | '12'13'14'15'16'17'18'19 |
CIS DICHLOROETHYLENE 12 worst: 2012 | 0.022 mg/L within above national p90 | 0.07 mg/L | '12'13'14'15'16'17'18'19 |
FLUORIDE worst: 2014 | 0.86 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
SELENIUM worst: 2014 | 0.0077 mg/L within | 0.05 mg/L | '14'15'16'18'19 |
BARIUM worst: 2018 | 0.19 mg/L within near national p90 | 2 mg/L | '12'13'14'15'16'17'18'19 |
TRICHLOROETHANE 111 worst: 2012 | 0.002 mg/L within below national p90 | 0.2 mg/L | '12'13'14'15'16'17'18'19 |
URANIUM worst: 2012 | 0.0209 ug/L within near national p90 | 30 ug/L | '12'13'14'15'16'17'18'19 |
NITRITE worst: 2017 | 0.00051 mg/L within | 1 mg/L | '17 |
XYLENES TOTAL worst: 2014 | 0.0017 mg/L within | 10 mg/L | '14 |
MCAA worst: 2013 | 0.0026 mg/L | — | '13'14'18 |
COPPER worst: 2012 | 0.11 mg/L below national p90 | — | '12'13'14'15'16'17'18'19 |
LEAD worst: 2012 | 0.1 mg/L | — | '12 |
DBAA worst: 2012 | 0.0062 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.0032 mg/L | — | '12'13'14'15'16'17'18'19 |
MBAA worst: 2012 | 0.0015 mg/L | — | '12'13 |
TCAA worst: 2012 | 0.0051 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.019 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.028 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.019 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.031 mg/L | — | '12'13'14'15'16'17'18'19 |
PWSID CA1910043 · 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.
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Tce | 296.85 UG/LAverageDistribution | 5 UG/LMCL | At or above the limit |
| Dehp | 0.07100000000000001 UG/LAverageSource water | 4 UG/LMCL | Within the limit |
| Picloram | 0.064 UG/LAverageDistribution | 500 UG/LMCL | Within the limit |
| Carbofuran | Not detected UG/LHighest single sampleDistribution | 18 UG/LMCL | None detected |
| Chlordane | Not detected UG/LHighest single sampleSource water | 0.1 UG/LMCL | None detected |
| Chlorobenzene | Not detected UG/LHighest single sampleDistribution | 70 UG/LMCL | None detected |
| Deha | Not detected UG/LHighest single sampleDistribution | 400 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 sampleEntry point | 0.05 UG/LMCL | None detected |
| Endothall | Not detected UG/LHighest single sampleDistribution | 100 UG/LMCL | None detected |
| Endrin | Not detected UG/LHighest single sampleDistribution | None set | None detected |
| Glyphosate | Not detected UG/LHighest single sampleDistribution | 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 |
| Methoxychlor | Not detected UG/LHighest single sampleSource water | 30 UG/LMCL | None detected |
| O Dichlorobenzene | Not detected UG/LHighest single sampleDistribution | 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 sampleDistribution | 0.5 UG/LMCL | None detected |
| Styrene | Not detected UG/LHighest single sampleDistribution | 100 UG/LMCL | None detected |
| Toxaphene | Not detected UG/LHighest single sampleSource water | 3 UG/LMCL | None detected |
| Trichlorobenzene 124 | Not detected UG/LHighest single sampleDistribution | 5 UG/LMCL | None detected |
| Twofourd | Not detected UG/LHighest single sampleDistribution | 70 UG/LMCL | None detected |
| Vinyl Chloride | Not detected UG/LHighest single sampleEntry point | 0.5 UG/LMCL | None detected |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 1,2,3-TCP | 0.032440000000000004 UG/LAverageDistribution | 0.005 UG/LMCL | At or above the limit |
| Simazine | 0.024229357798165138 UG/LAverageSource water | 4 UG/LMCL | Within the limit |
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected UG/LHighest single sampleDistribution | 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 sampleDistribution | 0.2 UG/LMCL | None detected |
| ChloroethaneA volatile organic compound used in some industrial processes. | Not detected UG/LHighest single sampleSource water | None set | None detected |
| Dalapon | Not detected UG/LHighest single sampleSource water | 200 UG/LMCL | None detected |
| Dichlorodifluoromethane | Not detected UG/LHighest single sampleDistribution | None set | None detected |
| Ethylbenzene | Not detected UG/LHighest single sampleSource water | 300 UG/LMCL | None detected |
| Toluene | Not detected UG/LHighest single sampleSource water | 150 UG/LMCL | None detected |
| XylenesA group of industrial solvents found in gasoline and paint. | Not detected UG/LHighest single sampleDistribution | 1750 UG/LMCL | None detected |
| Chloromethane | 0.2559259259259259 UG/LAverageEntry point | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 29.880000000000003 UG/LAverageDistribution | 10 UG/LMCL | At or above the limit |
| IronA naturally occurring metal common in groundwater. | 824.4 UG/LAverageDistribution | 300 UG/LMCL | At or above the limit |
| ManganeseA naturally occurring metal from soil and rock. | 47.312396694214875 UG/LAverageSource water | 50 UG/LMCL | Approaching the limit |
| NickelA metal from natural deposits and industrial discharge. | 10.559999999999999 UG/LAverageDistribution | 100 UG/LMCL | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 69 UG/LAverageDistribution | 1000 UG/LMCL | Within the limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 7.347107438016529 UG/LAverageSource water | 5000 UG/LMCL | Within the limit |
| Antimony | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
| Beryllium | Not detected UG/LHighest single sampleDistribution | 4 UG/LMCL | None detected |
| Cadmium | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected UG/LHighest single sampleDistribution | 2 UG/LMCL | None detected |
| Thallium | Not detected UG/LHighest single sampleSource water | 2 UG/LMCL | None detected |
| BoronA naturally occurring element from rock and soil. | 202.43243243243242 UG/LAverageEntry point | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 18.676923076923078 MG/LAverageSource water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 31.61904761904762 MG/LAverageSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 4.1 MG/LAverageEntry point | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 29.3 MG/LAverageEntry point | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 55 MG/LAverageEntry point | None set | Detected — no federal limit |
| Vanadium | 8 UG/LAverageDistribution | 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. | 4.9799999999999995 UG/LAverageDistribution | 6 UG/LMCL | Approaching the limit |
| NDMA | Not detected UG/LHighest single sampleEntry point | None set | None detected |
| ChlorateA byproduct that can form during disinfection, especially when hypochlorite solutions degrade. | 342 UG/LAverageDistribution | None set | Detected — no federal limit |
| N-Nitrosodi-n-butylamine | 0.0011736842105263157 UG/LAverageEntry point | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 650 MG/LAverageSource water | 1000 MG/LMCL | Within the limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 1023.3333333333334 UMHO/CMAverageSource water | 1600 UMHO/CMMCL | Within the limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 1.075 NTUAverageSource water | 5 NTUMCL | Within the limit |
| OdorA measure of detectable smell in the water. | 0.5384615384615384 TONAverageSource water | 3 TONMCL | Within the limit |
| ColorA measure of visible tint in the water. | 2.4166666666666665 UNITSAverageSource water | 15 UNITSMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 145.0091743119266 MG/LAverageSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 395.23809523809524 MG/LAverageSource water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8.257142857142856 PHAverageEntry point | 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. | 7.575 PCI/LAverageSource water | 15 PCI/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.382 PCI/LAverageSource water | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| SulfateA naturally occurring mineral from rock and soil. | 162.4467027027027 MG/LAverageEntry point | 500 MG/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 92.92307692307692 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| Ammonia | 0.07895238095238095 MG/LAverageSource water | None set | Detected — no federal limit |
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 sampleEntry point | 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 sampleSource water | None set | None detected |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)N-ethyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)N-methyl perfluorooctanesulfonamidoacetic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Perfluorododecanoic acid (PFDoA)Perfluorododecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | 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 sampleSource water | None set | None detected |
| Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' | 1.1914285714285715 NG/LAverageSource water | None set | Detected — no federal limit |
Source: Glendale-city, Water Dept., CA's 2025 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 Glendale-city, Water Dept., CA's water
+Is Glendale-city, Water Dept., CA tap water safe to drink in 2025?
The 2025 Consumer Confidence Report for the Glendale-city, Water Dept., CA water utility lists 11 contaminants at or above the federal limit: Tce, Pce, 1,2,3-TCP, Dichloroethylene 11, PFOS, PFOA, Chromium, Hexavalent, Iron, Carbon Tetrachloride, Cis Dichloroethylene 12, and Chromium. 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 Glendale-city, Water Dept., CA tap water?
129 contaminants were measured in Glendale-city, Water Dept., CA's 2025 Consumer Confidence Report, spanning other, metals, and pfas ("forever chemicals"). 82 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 Glendale-city, Water Dept., CA tap water?
11 contaminants in Glendale-city, Water Dept., CA's 2025 report sit at or above the federal limit: Tce (59.4× the limit); Pce (10.5× the limit); 1,2,3-TCP (6.5× the limit); Dichloroethylene 11 (5.4× the limit); PFOS (4.0× the limit); PFOA (3.7× the limit); Chromium, Hexavalent (3.0× the limit); Iron (2.7× the limit); Carbon Tetrachloride (2.4× the limit); Cis Dichloroethylene 12 (1.4× the limit); Chromium (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 Glendale-city, Water Dept., CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2025 report is Tce, at 59.4× the federal threshold. It belongs to the other family of contaminants.
+Are any contaminants in Glendale-city, Water Dept., CA tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: Manganese and Perchlorate. 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 Glendale-city, Water Dept., CA's 2025 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 Glendale-city, Water Dept., 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 2025 report; a new report will replace it once the utility publishes its next annual update.
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