Tap WaterIndex

← Londonderry, NH

Tap water quality report

ZIP 03032 — Londonderry, NH

EPA monitoring across the 1 water supplier serving ZIP 03032 in Londonderry, NH detected 13 contaminants. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier below, with the EPA limit for each.

1
water supplier
6,255
people served
13
contaminants found

What was found in ZIP 03032

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

ContaminantLevel vs EPA limitSuppliersSource
Copper
108 µg/L 8.3%
of the EPA limit 1300 µg/L
Main supplier: LONDONDERRY · 6,255 people · 2018
1/1 SYR4
Total Haloacetic Acids (HAA5)
14.7 µg/L 25%
of the EPA limit 60 µg/L
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Monochloroacetic Acid
13.92 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Dichloroacetic Acid
8.44 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Trichloroacetic Acid
7.965 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
TTHM
6.7 µg/L 8.4%
of the EPA limit 80 µg/L
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Chloroform
4.2 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Lead
2.19 µg/L 15%
of the EPA limit 15 µg/L
Main supplier: LONDONDERRY · 6,255 people · 2018
1/1 SYR4
Bromodichloromethane
1.7 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Dibromoacetic Acid
1.4 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
Dibromochloromethane
0.9850 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2019
1/1 SYR4
PFOA
0.0064 µg/L
No EPA limit set
Main supplier: LONDONDERRY · 6,255 people · 2024
1/1 UCMR-5
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
Main supplier: LONDONDERRY · 6,255 people · 2024
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.

Water suppliers serving ZIP 03032

SupplierStatePopulation served
LONDONDERRY NH 6,255

Frequently asked questions about ZIP 03032 tap water

Is the tap water in ZIP 03032 safe to drink?

EPA testing detected 13 contaminants across the water suppliers serving ZIP 03032. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.

Which water suppliers serve ZIP 03032?

1 public water supplier report EPA drinking-water monitoring for ZIP 03032. Each is listed above with its population served.

What contaminants are in ZIP 03032's water?

EPA monitoring detected Copper, Total Haloacetic Acids (HAA5), Monochloroacetic Acid, Dichloroacetic Acid, Trichloroacetic Acid, and others across this ZIP's suppliers. The full list with levels and sources is above.