Photo: John Phelan · CC BY-SA 4.0Living in Warren, CT: what to set up and who to call
An EPA health-based violation from 2024 is still open for Arrow Point Water Co, which supplies Warren. To register to vote, go to the Warren Town Clerk: Warren runs its own elections.
I’m new in town
What to set up in Warren, 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 Warren.
Power comes from Eversource
Eversource (Connecticut Light & Power Co.), an investor-owned utility, serves all of Warren. Its homes paid an average of 28.9¢ per kWh in 2025, about $195 a month (its average across Connecticut, for customers on its standard service). Connecticut lets you buy power from another supplier; 17% of Eversource’s home customers do, and Eversource still delivers it.
Start or move service: cl-p.com · (800) 286-2000
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Arrow Point Water Co
Arrow Point Water Co supplies Warren: about 6% of residents live in its service area. About 94% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 84 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 78% of the 11,392 systems serving <=100 people had none. 1 older violation is still open, since 2024: a lead and copper treatment requirement (Lead and Copper Rule Revisions), per EPA’s records.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 1.0 ppb, below the 15 ppb action level that applied. That’s higher than 55% of similar systems’ latest results.
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. CT1490021.
3 home internet providers serve Warren
97% of 808 addresses can get 100/20 Mbps; 80% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Frontier | Fiber, DSL | 72% | 7,000/7,000 |
| Optimum | Cable, Fiber | 69% | 8,000/8,000 |
| Spectrum | Cable, Fiber | 27% | 1,000/50 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Warren’s trash rules yet
Pickup rules, the dump and recycling in Warren.
Where your child goes to school
Public school districts and the school path by grade.
Warren is in Region School District 20.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 30, 2026.
Warren spans 2 ZIP codes
ZIP codes where Warren residents live, with the share of the town in each.
| ZIP | Post office name | Share of Warren | ZIP’s residents in Warren |
|---|---|---|---|
| 06754 | Cornwall Bridge, CT | 73% | 63% |
| 06777 | New Preston Marble Dale, CT | 26% | 21% |
A few homes fall in 06759.
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 Warren
Who supplies Warren’s drinking water, and has it had violations?
Arrow Point Water Co (EPA ID CT1490021). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 1.0 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Warren?
Eversource (Connecticut Light & Power Co.), an investor-owned utility. Its homes paid about 28.9¢ per kWh in 2025 (EIA).
What internet providers serve Warren?
Frontier, Optimum, Spectrum (FCC, as of December 2025).
What ZIP codes are in Warren?
06754 (73%), 06777 (26%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Warren in?
Region School District 20.
How do I register to vote in Warren?
In Connecticut you can register online until 18 days before Election Day, in person up to and including Election Day, or by mail (postmarked 18 days before). Elections here are run by the Warren Town Clerk. Check your registration at portaldir.ct.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 Sep 30, 2026 (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.