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Tap water quality report

Standish, ME

EPA monitoring detected 15 contaminants across the 4 water suppliers serving Standish. 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.

4
water suppliers
136,148
people served
15
contaminants found
Maine rankings Lead in Maine PFAS in Maine

What was found in Standish'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
100 µg/L 1%
of the EPA limit 10000 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
Highest in the city: 3050 µg/L — PINE TREE MOBILE ESTATES · 560 people · 2019
4/4 SYR4
Nitrate-Nitrite
2550 µg/L 26%
of the EPA limit 10000 µg/L
Highest in the city: PINE TREE MOBILE ESTATES · 560 people · 2017
2/4 SYR4
Fluoride
770 µg/L 19%
of the EPA limit 4000 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
Highest in the city: 801 µg/L — PORTLAND WATER DISTRICT/STEEP FALLS · 480 people · 2019
4/4 SYR4
Nitrite
270 µg/L 27%
of the EPA limit 1000 µg/L
Highest in the city: PINE TREE MOBILE ESTATES · 560 people · 2017
1/4 SYR4
Copper
3.95 µg/L 0.3%
of the EPA limit 1300 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
Highest in the city: 214 µg/L — PINE TREE MOBILE ESTATES · 560 people · 2018
4/4 SYR4
Combined Uranium
190.01 µg/L 633%
of the EPA limit, at the 95th percentile of samples — 30 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
3/4 SYR4
Barium
4 µg/L 0.2%
of the EPA limit 2000 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
Highest in the city: 56.12 µg/L — PINE TREE MOBILE ESTATES · 560 people · 2017
3/4 SYR4
Total Haloacetic Acids (HAA5)
12.95 µg/L 22%
of the EPA limit 60 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
2/4 SYR4
Arsenic
12.2 µg/L 122%
of the EPA limit, at the 95th percentile of samples — 10 µg/L
Highest in the city: NORTHEASTERN ESTATES · 40 people · 2019
1/4 SYR4
TTHM
1.8 µg/L 2.3%
of the EPA limit 80 µg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2019
Highest in the city: 9.63 µg/L — PORTLAND WATER DISTRICT/STEEP FALLS · 480 people · 2019
2/4 SYR4
Gross Alpha, Excl. Radon And U
7.47 pCi/L 50%
of the EPA limit 15 pCi/L
Highest in the city: PORTLAND WATER DISTRICT/STEEP FALLS · 480 people · 2015
3/4 SYR4
Lead
5.21 µg/L 35%
of the EPA limit 15 µg/L
Highest in the city: PINE TREE MOBILE ESTATES · 560 people · 2018
3/4 SYR4
Chromium
1.87 µg/L 1.9%
of the EPA limit 100 µg/L
Highest in the city: PINE TREE MOBILE ESTATES · 560 people · 2017
2/4 SYR4
Combined Radium (-226 And -228)
1.175 pCi/L 24%
of the EPA limit 5 pCi/L
Highest in the city: PORTLAND WATER DISTRICT/STEEP FALLS · 480 people · 2015
1/4 SYR4
Lead
0.0019 mg/L 13%
of the EPA limit 0.0150 mg/L
Main supplier: PORTLAND WATER DISTRICT-GREATER · 135,068 people · 2023
4/4 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 Standish

SupplierPopulation served
PORTLAND WATER DISTRICT-GREATER 135,068
PINE TREE MOBILE ESTATES 560
PORTLAND WATER DISTRICT/STEEP FALLS 480
NORTHEASTERN ESTATES 40

Frequently asked questions about Standish tap water

Is Standish tap water safe to drink?

EPA testing detected 15 contaminants in the water serving Standish. 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 Standish?

4 public water suppliers report drinking-water monitoring for Standish, Maine to the EPA. Each is listed above with its population served.

What contaminants are in Standish's water?

The contaminants EPA monitoring detected in Standish include Nitrate, Nitrate-Nitrite, Fluoride, Nitrite, Copper. 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.