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Tap water quality report

Delano, City of

EPA monitoring tested this supplier for 111 contaminants and detected 25. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

111
contaminants tested
25
detected
51,428
people served
72
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Local government
Counties served
Kern

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

72
health-based violations
80
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2012-10-01 → 2012-12-31
MCL Health-based Resolved 2012-10-01 → 2012-12-31
MCL Health-based Resolved 2012-07-01 → 2012-09-30
MCL Health-based Resolved 2012-07-01 → 2012-09-30
MCL Health-based Resolved 2012-04-01 → 2012-06-30
MCL Health-based Resolved 2012-04-01 → 2012-06-30
MCL Health-based Resolved 2012-01-01 → 2012-03-31
MCL Health-based Resolved 2012-01-01 → 2012-03-31
MCL Health-based Resolved 2011-10-01 → 2011-12-31
MCL Health-based Resolved 2011-10-01 → 2011-12-31

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Arsenic
52 µg/L 520%
of the EPA limit, in the worst sample — 10 µg/L
 1618/2387 SYR4 2012–2019
Nitrate
11000 µg/L 110%
of the EPA limit, in the worst sample — 10000 µg/L
 792/830 SYR4 2012–2019
TTHM
79 µg/L 99%
of the EPA limit 80 µg/L
 103/173 SYR4 2012–2019
1,2-DIBROMO-3-CHLOROPROPANE
0.3400 µg/L 170%
of the EPA limit, in the worst sample — 0.2000 µg/L
 95/179 SYR4 2012–2019
Bromoform
23 µg/L
No EPA limit set
 86/173 SYR4 2012–2019
Dibromochloromethane
21 µg/L
No EPA limit set
 76/173 SYR4 2012–2019
Dibromoacetic Acid
17 µg/L
No EPA limit set
 71/150 SYR4 2013–2019
Fluoride
860 µg/L 22%
of the EPA limit 4000 µg/L
 43/43 SYR4 2012–2019
Bromodichloromethane
25 µg/L
No EPA limit set
 41/173 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
47 µg/L 78%
of the EPA limit 60 µg/L
 37/150 SYR4 2013–2019
Nitrate-Nitrite
10000 µg/L 100%
of the EPA limit 10000 µg/L
 31/38 SYR4 2017–2019
Chloroform
21 µg/L
No EPA limit set
 27/173 SYR4 2012–2019
Dichloroacetic Acid
17 µg/L
No EPA limit set
 25/150 SYR4 2013–2019
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 24/24 LCR 2023
Trichloroacetic Acid
6.3 µg/L
No EPA limit set
 21/150 SYR4 2013–2019
Barium
130 µg/L 6.5%
of the EPA limit 2000 µg/L
 11/43 SYR4 2012–2019
Chromium
15 µg/L 15%
of the EPA limit 100 µg/L
 6/43 SYR4 2012–2019
Lithium
21.1 µg/L
No EPA limit set
 5/24 UCMR-5 2024
Selenium
5.5 µg/L 11%
of the EPA limit 50 µg/L
 4/43 SYR4 2012–2019
Nitrite
610 µg/L 61%
of the EPA limit 1000 µg/L
 3/294 SYR4 2012–2019
Mercury
0.2600 µg/L 13%
of the EPA limit 2 µg/L
 2/43 SYR4 2012–2019
Copper
75 µg/L 5.8%
of the EPA limit 1300 µg/L
 1/43 SYR4 2012–2019
Lead
1.1 µg/L 7.3%
of the EPA limit 15 µg/L
 1/43 SYR4 2012–2019
Monobromoacetic Acid
3.4 µg/L
No EPA limit set
 1/150 SYR4 2013–2019
Monochloroacetic Acid
3.7 µg/L
No EPA limit set
 1/150 SYR4 2013–2019
86 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Beta Particle ActivityHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
NUNEZ, PEDRO
Phone
661-720-5404
Email
pnunez@cityofdelano.org

Frequently asked questions about Delano, City of

Is Delano, City of tap water safe to drink?

EPA monitoring detected 25 contaminants in Delano, City of'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 Delano, City of's water?

EPA monitoring detected Arsenic, Nitrate, TTHM, 1,2-DIBROMO-3-CHLOROPROPANE, Bromoform, and others. The full list with the level and data source for each is above.

How many people does Delano, City of serve?

Delano, City of reports serving 51,428 people in California, per its EPA record.

Has Delano, City of had any water quality violations?

The EPA has 80 violations on file for Delano, City of, of which 72 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

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.