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The Lake Hopatcong handbook

Living in Lake Hopatcong, NJ: what to set up and who to call

The Jefferson Twp W U Lk Hop water system reported 8 health-based violations to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule) ×7, a bacteria testing requirement (Revised Total Coliform Rule). 80% of systems its size reported none. Lake Hopatcong has no town government of its own, so Morris County runs its elections and most services, and its children attend Jefferson Township School District.

Lake Hopatcong has no town government. It’s a census-designated place in Morris County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Lake Hopatcong’s town page under “Getting set up”.

I’m new in town

What to set up in Lake Hopatcong, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Lake Hopatcong.

Electricity

Power comes from JCP&L

JCP&L (Jersey Central Power & Light Co.), an investor-owned utility, serves all of Lake Hopatcong. Its homes paid an average of 18.4¢ per kWh in 2025, about $145 a month (its average across New Jersey, for customers on its standard service). New Jersey lets you buy power from another supplier; 9% of JCP&L’s home customers do, and JCP&L still delivers it.

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Jefferson Twp W U Lk Hop water system

The Jefferson Twp W U Lk Hop water system supplies Lake Hopatcong: about 74% of residents live in its service area. About 26% 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 Morris County Mua as seller) and serves 8,500 people in all.

8 health-based violations reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×7, a bacteria testing requirement (Revised Total Coliform Rule), the latest beginning Jan 2025. 80% of the 5,012 systems serving 3,301–10,000 people had none.

Lead, 90th percentile0.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.

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. NJ1414011.

Internet

5 home internet providers serve Lake Hopatcong

98% of 4,335 addresses can get 100/20 Mbps; 79% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
OptimumCable, Fiber96%8,000/8,000
VerizonFixed wireless, Fiber38%300/20
Planet NetworksFiber24%10,000/10,000
T-MobileFixed wireless68%100/20
AT&TFixed wireless42%25/3

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

The nearest public drop-off is 3 miles away

Pickup rules, the dump and recycling in Lake Hopatcong.

Nearest public drop-off · 2.7 mi from the center of Lake Hopatcong

Mount Arlington Dump

This isn’t Lake Hopatcong’s own facility. Whether Lake Hopatcong residents may use it is the town’s rule: check the town’s office.

OpenStreetMap, as of Oct 9, 2026. © OpenStreetMap contributors.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Lake Hopatcong kids go to
PK–K3 elementary schoolsDepends on your address
1–52 elementary schoolsDepends on your address
6–8Jefferson Township Middle Schoolin Oak Ridge
9–12Jefferson Township High Schoolin Oak Ridge

Lake Hopatcong is in Jefferson Township 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.

Government & voting

No town hall: the county runs things

Lake Hopatcong is unincorporated, so Morris County is the local government.

Local governmentMorris CountyLake Hopatcong is a census-designated place: no town hall of its ownCensus
Who runs elections hereMorris County ClerkElections here are run by Morris County (county election office). P.O. Box 315, Morristown, NJ 07963-0315 · (973) 285-6066 · [email protected]FVAP, Apr 2020
Register to voteOnlineIn New Jersey you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before).vote.govCheck your registration and polling placevoter.svrs.nj.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Apr 2020; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Lake Hopatcong spans 2 ZIP codes

ZIP codes where Lake Hopatcong residents live, with the share of the town in each.

ZIPPost office nameShare of Lake HopatcongZIP’s residents in Lake Hopatcong
07849Lake Hopatcong, NJ83%99%
07885Wharton, NJ17%15%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

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 Lake Hopatcong

Who supplies Lake Hopatcong’s drinking water, and has it had violations?

The Jefferson Twp W U Lk Hop water system (EPA ID NJ1414011). It reported 8 health-based violations to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule) ×7, a bacteria testing requirement (Revised Total Coliform Rule). 80% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Jun 2026), against a 15 ppb action level.

Who provides electricity in Lake Hopatcong?

JCP&L (Jersey Central Power & Light Co.), an investor-owned utility. Its homes paid about 18.4¢ per kWh in 2025 (EIA).

What internet providers serve Lake Hopatcong?

Optimum, Verizon, Planet Networks, T-Mobile, AT&T (FCC, as of December 2025).

What ZIP codes are in Lake Hopatcong?

07849 (83%), 07885 (17%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Lake Hopatcong in?

Jefferson Township School District.

How do I register to vote in Lake Hopatcong?

In New Jersey you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Morris County Clerk. Check your registration at voter.svrs.nj.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 18, 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.