Compliance record
Other contaminants detected
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of this
system's samples — over 100% is worth reading, but is not by itself a
violation. Where a single sample came in higher than that percentile, it
is noted under the bar. Formal violations are listed separately.
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Tetrachloroethylene | 8.6 µg/L 172% of the EPA limit, at the 95th percentile of samples — 5 µg/L
worst single sample: 14 µg/L | 541/1142 | SYR4 | 2012–2019 |
| Trichloroethylene | 1.1 µg/L 22% of the EPA limit 5 µg/L
worst single sample: 1.5 µg/L | 129/572 | SYR4 | 2012–2019 |
| Nitrate | 3315 µg/L 33% of the EPA limit 10000 µg/L
worst single sample: 3700 µg/L | 118/118 | SYR4 | 2012–2019 |
| Bromodichloromethane | 8.11 µg/L No EPA limit set
worst single sample: 14 µg/L | 100/526 | SYR4 | 2012–2019 |
| Bromoform | 19.05 µg/L No EPA limit set
worst single sample: 28 µg/L | 100/526 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.7 µg/L No EPA limit set
worst single sample: 6.4 µg/L | 100/100 | SYR4 | 2013–2019 |
| Dibromochloromethane | 21 µg/L No EPA limit set
worst single sample: 36 µg/L | 100/526 | SYR4 | 2012–2019 |
| TTHM | 47.15 µg/L 59% of the EPA limit 80 µg/L
worst single sample: 81 µg/L | 100/526 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 6.4 µg/L 11% of the EPA limit 60 µg/L
worst single sample: 7 µg/L | 100/100 | SYR4 | 2013–2019 |
| Chloroform | 1.7 µg/L No EPA limit set
worst single sample: 3 µg/L | 46/525 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 42/42 | LCR | 2025 |
| Fluoride | 280 µg/L 7% of the EPA limit 4000 µg/L
worst single sample: 350 µg/L | 24/24 | SYR4 | 2012–2019 |
| Combined Uranium | 3.427 µg/L 11% of the EPA limit 30 µg/L | 9/9 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 1.2 µg/L No EPA limit set | 3/100 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 1.385 µg/L No EPA limit set
worst single sample: 1.4 µg/L | 2/100 | SYR4 | 2013–2019 |
| Mercury | 2.2 µg/L 110% of the EPA limit, at the 95th percentile of samples — 2 µg/L | 1/18 | SYR4 | 2012–2019 |
94 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAsbestosAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCopperCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoLeadMethoxychlorMonochloroacetic AcidNetfosaaNfdhaNmefosaaNitriteOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene
Utility contact
Frequently asked questions about Whittier-City, Water Dept.
Is Whittier-City, Water Dept. tap water safe to drink?
EPA monitoring detected 16 contaminants in Whittier-City, Water Dept.'s water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Whittier-City, Water Dept.'s water?
EPA monitoring detected Tetrachloroethylene, Trichloroethylene, Nitrate, Bromodichloromethane, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Whittier-City, Water Dept. serve?
Whittier-City, Water Dept. reports serving 49,954 people in California, per its EPA record.
Has Whittier-City, Water Dept. had any water quality violations?
The EPA has no formal drinking-water violations on file for Whittier-City, Water Dept..
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.