Photo: John Phelan · CC BY-SA 4.0Living in Contoocook, NH: what to set up and who to call
The Contoocook Village Pct water system reported 19 health-based violations to EPA in the last five years: disinfection byproducts (HAA5) ×10, disinfection byproducts (TTHM) ×8, a surface water treatment requirement (Surface Water Treatment Rule). 78% of systems its size reported none. Contoocook has no town government of its own, so Merrimack County runs its elections and most services, and its children attend Hopkinton School District.
I’m new in town
What to set up in Contoocook, 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 Contoocook.
Power comes from Eversource
Eversource (Public Service Co. of New Hampshire), an investor-owned utility, serves all of Contoocook. Its homes paid an average of 24.2¢ per kWh in 2025, about $150 a month (its average across New Hampshire, for customers on its standard service). New Hampshire lets you buy power from another supplier; 43% of Eversource’s home customers do, and Eversource still delivers it.
Start or move service: eversource.com · (800) 662-7764
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Contoocook Village Pct water system
The Contoocook Village Pct water system supplies almost all of Contoocook. It draws surface water and serves 1,600 people in all.
19 health-based violations reported to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×10, disinfection byproducts (TTHM) ×8, a surface water treatment requirement (Surface Water Treatment Rule), the latest beginning Apr 2026. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 1993, was 37.0 ppb, above the 15 ppb action level that applied. It’s from 1993: 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. NH1191010.
5 home internet providers serve Contoocook
100% of 539 addresses can get 100/20 Mbps; 99% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| TDS Telecom | Fiber | 99% | 1,000/1,000 |
| Xfinity | Cable | 99% | 1,200/35 |
| T-Mobile | Fixed wireless | 73% | 100/20 |
| AT&T | Fixed wireless | 45% | 25/3 |
| Verizon | Fixed wireless | 35% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Contoocook’s trash rules yet
Pickup rules, the dump and recycling in Contoocook.
Where your child goes to school
Public school districts and the school path by grade.
Contoocook is in Hopkinton School District.
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
Contoocook is unincorporated, so Merrimack 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.
Contoocook is in ZIP code 03229
ZIP codes where Contoocook residents live, with the share of the town in each.
| ZIP | Post office name | Share of Contoocook | ZIP’s residents in Contoocook |
|---|---|---|---|
| 03229 | Contoocook, NH | 100% | 24% |
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 Contoocook
Who supplies Contoocook’s drinking water, and has it had violations?
The Contoocook Village Pct water system (EPA ID NH1191010). It reported 19 health-based violations to EPA in the five years to October 2026: disinfection byproducts (HAA5) ×10, disinfection byproducts (TTHM) ×8, a surface water treatment requirement (Surface Water Treatment Rule). 78% of systems its size had none. Its latest lead 90th percentile was 37.0 ppb (Jul–Dec 1993), against a 15 ppb action level.
Who provides electricity in Contoocook?
Eversource (Public Service Co. of New Hampshire), an investor-owned utility. Its homes paid about 24.2¢ per kWh in 2025 (EIA).
What internet providers serve Contoocook?
TDS Telecom, Xfinity, T-Mobile, AT&T, Verizon (FCC, as of December 2025).
What ZIP codes are in Contoocook?
03229. Census 2020 ZIP Code Tabulation Areas.
What school district is Contoocook in?
Hopkinton School District.
How do I register to vote in Contoocook?
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 Hopkinton. 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.