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Tap water quality report

Duxbury, MA

EPA monitoring detected 25 contaminants across the 1 water supplier serving Duxbury. 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
16,387
people served
25
contaminants found
Massachusetts rankings Lead in Massachusetts PFAS in Massachusetts

What was found in Duxbury'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
Nitrate
3674.5 µg/L 37%
of the EPA limit 10000 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Fluoride
1028.5 µg/L 26%
of the EPA limit 4000 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2018
1/1 SYR4
Copper
362.35 µg/L 28%
of the EPA limit 1300 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Barium
73.9 µg/L 3.7%
of the EPA limit 2000 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2018
1/1 SYR4
TTHM
10.036 µg/L 13%
of the EPA limit 80 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Dibromochloromethane
3.765 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Lead
3.31 µg/L 22%
of the EPA limit 15 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2016
1/1 SYR4
Total Haloacetic Acids (HAA5)
2.557 µg/L 4.3%
of the EPA limit 60 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Bromoform
2.17 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Bromodichloromethane
2.06 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Monochloroacetic Acid
1.5935 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Dibromoacetic Acid
1.516 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Chloroform
1.246 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2019
1/1 SYR4
Pfpea
0.0466 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
PFOS
0.0350 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
PFHXS
0.0310 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
Pfhxa
0.0307 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
Heptachlor Epoxide
0.0190 µg/L 9.5%
of the EPA limit 0.2000 µg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2018
1/1 SYR4
Pfba
0.0129 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
Pfhpa
0.0106 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
PFOA
0.0075 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
6:2 Fts
0.0057 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
Lead
0.0044 mg/L 29%
of the EPA limit 0.0150 mg/L
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2023
1/1 LCR
PFBS
0.0035 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
Pfhps
0.0033 µg/L
No EPA limit set
Main supplier: DUXBURY WATER DEPARTMENT · 16,387 people · 2025
1/1 UCMR-5
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 Duxbury

SupplierPopulation served
DUXBURY WATER DEPARTMENT 16,387

Frequently asked questions about Duxbury tap water

Is Duxbury tap water safe to drink?

EPA testing detected 25 contaminants in the water serving Duxbury. 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 Duxbury?

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

What contaminants are in Duxbury's water?

The contaminants EPA monitoring detected in Duxbury include Nitrate, Fluoride, Copper, Barium, TTHM. 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.