Photo: Jerrye & Roy Klotz, MD · CC BY-SA 3.0Living in Mountain Lakes, NJ: what to set up and who to call
The closest public drop-off to Mountain Lakes is Denville Recycling Center, 2 miles out; the town decides whether residents may use it. Mountain Lakes has its own train station.
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 JCP&L
JCP&L (Jersey Central Power & Light Co.), an investor-owned utility, serves all of Mountain Lakes. 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.
Water comes from Mountain Lakes Water Dep
Mountain Lakes Water Dep supplies almost all of Mountain Lakes. It draws ground water and serves 4,012 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.5 ppb, below the 15 ppb action level that applied. The highest in five years was 5.3 ppb. That’s higher than 77% 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. NJ1425001.
4 home internet providers serve Mountain Lakes
98% of 1,458 addresses can get 100/20 Mbps; 96% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 95% | 980/880 |
| Optimum | Cable, Fiber | 95% | 8,000/8,000 |
| T-Mobile | Fixed wireless | 60% | 100/20 |
| AT&T | Fixed wireless | 31% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Mountain Lakes is any weekday, depending on your street
Pickup days, the drop-off and recycling in Mountain Lakes, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (any weekday)Look up your day on mountainlakes.gov
Dual-stream recycling
Paper goes out separately from bottles and cans.
- Glass: Clear, amber & green bottles and jars
- Cans & can lids, clean aluminum dishes & foil
- Aseptics: Milk cartons & juice boxes
- Corrugated Cardboard (flattened)
- Newspapers, magazines, junk mail, and clean paper bags
- Envelopes with or without windows
- Cracker, cereal & frozen food boxes
- Manila folders & spiral notebooks
- Sticky notes, postcards & greeting cards
- Non-metallic wrapping paper
Borough Recycling Center
55 Pocono Road, Mountain Lakes, NJ
From mountainlakes.gov, the town’s official site, checked Oct 23, 2026; pages dated 3/12/26, January 1, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Mountain Lakes is in Mountain Lakes Borough School District.
ASchool gradeSee 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 Apr 2020; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Mountain Lakes is in ZIP code 07046
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 |
|---|---|---|---|
| 07046 | Mountain Lakes, NJ | 100% | 99% |
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.
Train: OpenStreetMap (© OpenStreetMap contributors). 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 Dep (EPA ID NJ1425001). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 2.5 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Mountain Lakes?
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 Mountain Lakes?
Verizon, Optimum, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Mountain Lakes?
07046. Census 2020 ZIP Code Tabulation Areas.
What school district is Mountain Lakes in?
Mountain Lakes Borough School District.
How do I register to vote in Mountain Lakes?
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: Mountain Lakes’ own website (mountainlakes.gov), read Oct 23, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.