Photo: Ascended Dreamer · CC BY-SA 4.0Living in Mountain Lakes, NH: what to set up and who to call
Mountain Lakes has no town government of its own, so Grafton County runs its elections and most services, and its children attend Haverhill Cooperative School District. Power in Mountain Lakes comes from New Hampshire Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Mountain Lakes, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Mountain Lakes.
Power comes from New Hampshire Elec Coop
New Hampshire Elec Coop (New Hampshire Elec Coop Inc), a cooperative utility, serves all of Mountain Lakes. Its homes paid an average of 24.7¢ per kWh in 2025, about $151 a month (its average across New Hampshire, for customers on its standard service). New Hampshire lets you buy power from another supplier; 6% of New Hampshire Elec Coop’s home customers do, and New Hampshire Elec Coop still delivers it.
Start or move service: nhec.com · (800) 698-2007
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Mountain Lakes Water District
Mountain Lakes Water District supplies Mountain Lakes: about 82% of residents live in its service area. Woodsville Water and Light serves another 11%. About 9% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists Woodsville Water and Light as seller) and serves 787 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2014, was 32.0 ppb, above the 15 ppb action level that applied. It’s from 2014: EPA has no newer result for this system.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. NH1101050.
7 home internet providers serve Mountain Lakes
98% of 438 addresses can get 100/20 Mbps; 12% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 97% | 1,000/1,000 |
| Consolidated Communications | DSL | 61% | 60/10 |
| NH Broadband | Fiber | 13% | 2,000/2,000 |
| AT&T | Fixed wireless | 13% | 25/3 |
| Verizon | Fixed wireless | 11% | 300/20 |
| T-Mobile | Fixed wireless | 8% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Mountain Lakes’ trash rules yet
Pickup rules, the dump and recycling in Mountain Lakes.
Where your child goes to school
Public school districts and the school path by grade.
Most of Mountain Lakes (78%) is in Haverhill Cooperative School District; parts are in Bath School District (22%).
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Mountain Lakes is unincorporated, so Grafton County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 19, 2024.
Mountain Lakes spans 2 ZIP codes
ZIP codes where Mountain Lakes residents live, with the share of the town in each.
| ZIP | Post office name | Share of Mountain Lakes | ZIP’s residents in Mountain Lakes |
|---|---|---|---|
| 03785 | Woodsville, NH | 77% | 17% |
| 03740 | Bath, NH | 23% | 11% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Mountain Lakes
Who supplies Mountain Lakes’ drinking water, and has it had violations?
Mountain Lakes Water District (EPA ID NH1101050). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 32.0 ppb (Jan–Dec 2014), against a 15 ppb action level.
Who provides electricity in Mountain Lakes?
New Hampshire Elec Coop (New Hampshire Elec Coop Inc), a cooperative utility. Its homes paid about 24.7¢ per kWh in 2025 (EIA).
What internet providers serve Mountain Lakes?
Spectrum, Consolidated Communications, NH Broadband, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Mountain Lakes?
03785 (77%), 03740 (23%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Mountain Lakes in?
Haverhill Cooperative School District. Parts of the city are in Bath School District.
How do I register to vote in Mountain Lakes?
New Hampshire has no online registration; you can register in person up to and including Election Day or by mail only in special circumstances (received 13 days before). Elections here are run by the Town Clerk of Haverhill. Check your registration at app.sos.nh.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 19, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.