Water quality in Mountain Lakes, New Hampshire
Mountain Lakes is in Grafton County. 269 active public water systems serve the county; 117 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Grafton County
73 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Bath Village Water Works Bath |
100 | 1 | 2.7 mi | |
| French Pond Estates Haverhill |
27 | 1 | 3.2 mi | |
| Woodsville Water and Light Haverhill |
1,950 | 1 | 3.4 mi | |
| NO Haverhill Water and Light Haverhill |
750 | 2 | 3.8 mi | |
| Lisbon Water Dept Lisbon |
1,010 | 3 | 6.5 mi | |
| Precinct of Haverhill Corner Haverhill |
540 | 0 | 7.9 mi | |
| Glencliff Home for the Elderly Benton |
230 | 1 | 9.4 mi | |
| Glencliff Improvement Warren |
30 | 3 | 10.1 mi | |
| Monroe Water Dept Monroe |
300 | 0 | 10.2 mi | |
| Mittersill Water Dept Franconia |
475 | 2 | 12.7 mi | |
| Franconia Village Water Franconia |
535 | 1 | 12.8 mi | |
| South Main Street Water Dist Warren |
200 | 1 | 14.4 mi | |
| Woodstock Water Dept Woodstock |
2,950 | 0 | 15.4 mi | |
| Littleton Water and Light Littleton |
6,500 | 1 | 15.4 mi | |
| Lincoln Water Works Lincoln |
3,300 | 0 | 15.7 mi | |
| Bethlehem Village Dist Bethlehem |
1,750 | 2 | 17.0 mi | |
| Orford Village Dist Orford |
128 | 0 | 17.6 mi | |
| Jack O Lantern Condos Woodstock |
98 | 0 | 18.2 mi | |
| Star Ridge Thornton |
96 | 0 | 19.0 mi | |
| Hawthorne Village Rumney |
55 | 2 | 20.0 mi | |
| Birch Bend Thornton |
28 | 2 | 20.2 mi | |
| Mill Brook Village Thornton |
113 | 0 | 20.9 mi | |
| Deer Run Campton |
150 | 1 | 21.1 mi | |
| Northpointe Water Thornton |
48 | 1 | 21.6 mi | |
| 175 Estates Thornton |
100 | 1 | 21.6 mi |
Non-community systems in Grafton County (195: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Grafton County, nearest to Mountain Lakes first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files or the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The New Hampshire records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.