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Tap water quality report

Moffett Field, CA

EPA monitoring detected 11 contaminants across the 1 water supplier serving Moffett Field. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

1
water supplier
16,273
people served
11
contaminants found
California rankings Lead in California PFAS in California

What was found in Moffett Field's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
TTHM
63.599999999999994 µg/L 80%
of the EPA limit 80 µg/L
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Chloroform
61 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Total Haloacetic Acids (HAA5)
49.449999999999996 µg/L 82%
of the EPA limit 60 µg/L
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Dichloroacetic Acid
24 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Trichloroacetic Acid
19.89999999999999 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Monochloroacetic Acid
9.225000000000001 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Bromodichloromethane
3.8599999999999994 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Dibromoacetic Acid
2.17 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Dibromochloromethane
1.8199999999999996 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Bromoform
1.467 µg/L
No EPA limit set
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2019
1/1 SYR4
Lead
0.0104 mg/L 69%
of the EPA limit 0.0150 mg/L
Main supplier: NASA AMES RESEARCH CENTER · 16,273 people · 2023
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 95th percentile of the system's samples — 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 Moffett Field

SupplierPopulation served
NASA AMES RESEARCH CENTER 16,273

Frequently asked questions about Moffett Field tap water

Is Moffett Field tap water safe to drink?

EPA testing detected 11 contaminants in the water serving Moffett Field. 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 Moffett Field?

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

What contaminants are in Moffett Field's water?

The contaminants EPA monitoring detected in Moffett Field include TTHM, Chloroform, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, Trichloroacetic Acid. The full list, with the level at the main supplier 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.