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Tap water quality report

Newhall, CA

EPA monitoring detected 34 contaminants across the 1 water supplier serving Newhall. A detection doesn't automatically mean the water is unsafe — see the highest level found for each below, with its EPA source and period.

1
water supplier
294,090
people served
34
contaminants found
California rankings Lead in California PFAS in California

What was found in Newhall's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
6780 µg/L 68%
of the EPA limit 10000 µg/L
 1/1 SYR4
Nitrate-Nitrite
6100 µg/L 61%
of the EPA limit 10000 µg/L
 1/1 SYR4
Fluoride
950 µg/L 24%
of the EPA limit 4000 µg/L
 1/1 SYR4
Copper
150 µg/L 12%
of the EPA limit 1300 µg/L
 1/1 SYR4
Barium
120 µg/L 6%
of the EPA limit 2000 µg/L
 1/1 SYR4
TTHM
70 µg/L 88%
of the EPA limit 80 µg/L
 1/1 SYR4
Lithium
53.1 µg/L
No EPA limit set
 1/1 UCMR-5
Bromoform
50 µg/L
No EPA limit set
 1/1 SYR4
Chromium
34 µg/L 34%
of the EPA limit 100 µg/L
 1/1 SYR4
Dibromochloromethane
23 µg/L
No EPA limit set
 1/1 SYR4
Total Haloacetic Acids (HAA5)
16 µg/L 27%
of the EPA limit 60 µg/L
 1/1 SYR4
Bromodichloromethane
15 µg/L
No EPA limit set
 1/1 SYR4
Selenium
8.9 µg/L 18%
of the EPA limit 50 µg/L
 1/1 SYR4
Combined Uranium
8.791 µg/L 29%
of the EPA limit 30 µg/L
 1/1 SYR4
Dibromoacetic Acid
8.4 µg/L
No EPA limit set
 1/1 SYR4
Chloroform
8.1 µg/L
No EPA limit set
 1/1 SYR4
Gross Beta Particle Activity
7.4 pCi/L
No EPA limit set
 1/1 SYR4
Dichloroacetic Acid
7 µg/L
No EPA limit set
 1/1 SYR4
Arsenic
6 µg/L 60%
of the EPA limit 10 µg/L
 1/1 SYR4
Monobromoacetic Acid
4.1 µg/L
No EPA limit set
 1/1 SYR4
Trichloroacetic Acid
2.6 µg/L
No EPA limit set
 1/1 SYR4
Dichloromethane
1.9 µg/L 38%
of the EPA limit 5 µg/L
 1/1 SYR4
Picloram
1.1 µg/L 0.2%
of the EPA limit 500 µg/L
 1/1 SYR4
Toluene
1 µg/L 0.1%
of the EPA limit 1000 µg/L
 1/1 SYR4
Trichloroethylene
0.9200 µg/L 18%
of the EPA limit 5 µg/L
 1/1 SYR4
Pfpea
0.0226 µg/L
No EPA limit set
 1/1 UCMR-5
PFOA
0.0169 µg/L
No EPA limit set
 1/1 UCMR-5
Pfhxa
0.0142 µg/L
No EPA limit set
 1/1 UCMR-5
Pfba
0.0133 µg/L
No EPA limit set
 1/1 UCMR-5
PFHXS
0.0076 µg/L
No EPA limit set
 1/1 UCMR-5
PFOS
0.0075 µg/L
No EPA limit set
 1/1 UCMR-5
PFBS
0.0069 µg/L
No EPA limit set
 1/1 UCMR-5
Pfhpa
0.0063 µg/L
No EPA limit set
 1/1 UCMR-5
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 1/1 LCR
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. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Newhall

SupplierPopulation served
SANTA CLARITA VALLEY WATER AGENCY 294,090

Frequently asked questions about Newhall tap water

Is Newhall tap water safe to drink?

EPA testing detected 34 contaminants in the water serving Newhall. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Newhall?

1 public water supplier report drinking-water monitoring for Newhall, California to the EPA. Each is listed above with its population served.

What contaminants are in Newhall's water?

The contaminants EPA monitoring detected in Newhall include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. The full list, with the highest level found and the data source, is in the table above.

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.