Is New Marlborough, MA Tap Water Safe? Quality & Contaminants

What was found in New Marlborough'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.

Contaminant	Level vs EPA limit	Suppliers	Source
Nitrate	260 µg/L 2.6% of the EPA limit 10000 µg/L Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2019 Highest in the city: 690 µg/L — SOUTHFIELD WATER COMPANY · 80 people · 2019	2/2	SYR4
Barium	10.7 µg/L 0.5% of the EPA limit 2000 µg/L Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017 Highest in the city: 41.935 µg/L — SOUTHFIELD WATER COMPANY · 80 people · 2017	2/2	SYR4
Chloroform	6.375 µg/L No EPA limit set Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017	1/2	SYR4
TTHM	6.3 µg/L 7.9% of the EPA limit 80 µg/L Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2014	1/2	SYR4
Total Haloacetic Acids (HAA5)	4.6 µg/L 7.7% of the EPA limit 60 µg/L Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2014	1/2	SYR4
Dichloroacetic Acid	3.0135 µg/L No EPA limit set Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017	1/2	SYR4
Bromodichloromethane	1.961 µg/L No EPA limit set Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017	1/2	SYR4
Trichloroacetic Acid	1.888 µg/L No EPA limit set Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017	1/2	SYR4
Dibromochloromethane	1.309 µg/L No EPA limit set Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2017	2/2	SYR4
Lead	0.0065 mg/L 43% of the EPA limit 0.0150 mg/L Main supplier: MILL RIVER WATER TAKERS ASSOCIATION · 150 people · 2024	2/2	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 New Marlborough

Supplier	Population served
MILL RIVER WATER TAKERS ASSOCIATION	150
SOUTHFIELD WATER COMPANY	80

Frequently asked questions about New Marlborough tap water

Is New Marlborough tap water safe to drink?

EPA testing detected 10 contaminants in the water serving New Marlborough. 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 New Marlborough?

2 public water suppliers report drinking-water monitoring for New Marlborough, Massachusetts to the EPA. Each is listed above with its population served.

What contaminants are in New Marlborough's water?

The contaminants EPA monitoring detected in New Marlborough include Nitrate, Barium, Chloroform, TTHM, Total Haloacetic Acids (HAA5). 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.