Photo: Zeete · CC BY-SA 4.0Living in Denville Township, NJ: what to set up and who to call
Denville Township has its own drop-off, Denville Recycling Center. Two school districts split the grades in Denville Township: Denville Township School District and Morris Hills Region School District.
I’m new in town
What to set up in Denville Township, 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 Denville Township.
Power comes from JCP&L
JCP&L (Jersey Central Power & Light Co.), an investor-owned utility, serves all of Denville Township. 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 Denville Twp Water Dept
Denville Twp Water Dept supplies almost all of Denville Township. It draws ground water (EPA lists Morris County Mua as seller) and serves 15,881 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2024–Dec 2026, was 4.3 ppb, below the 15 ppb action level that applied. The highest in five years was 12.7 ppb. That’s higher than 88% 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. NJ1408001.
4 home internet providers serve Denville Township
98% of 5,693 addresses can get 100/20 Mbps; 90% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Optimum | Cable, Fiber | 94% | 8,000/8,000 |
| Verizon | Fiber, Fixed wireless | 92% | 2,300/2,300 |
| T-Mobile | Fixed wireless | 68% | 100/20 |
| AT&T | Fixed wireless | 53% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Curbside recycling in Denville Township: every other week, day by address
Pickup days, the drop-off and recycling in Denville Township, from the town’s own site.
Denville Recycling Center
140 Morris Ave., Denville, NJ 07834
- Mon7:30 am–3 pm
- Tue7:30 am–3 pm
- Wed7:30 am–3 pm
- Thu7:30 am–3 pm
- Fri7:30 am–3 pm
- Sat8 am–2 pm
- Sun10 am–2 pm
Dual-stream recycling
Paper goes out separately from bottles and cans.
- Metal food cans, aluminum foil & trays
- Glass bottles & jars (empty, lids removed)
- Plastics #1, #2, and #5 only
- Milk / juice containers
- Newspapers, magazines, junk mail
- Corrugated cardboard (flattened), clean pizza boxes
- Cereal / pasta boxes, paper bags, paperback books
- Paper towel & toilet paper rolls
From denvillenj.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-08-17, 2026-08-22, 2026-08-28, Last Updated: Saturday, August 22, Last Updated: Thursday, September 17, Last Updated: Wednesday, August 19. 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.
Denville Township is in two districts that split the grades: Denville Township School District and Morris Hills Region School District.
A−School 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.
Denville Township spans 2 ZIP codes
ZIP codes where Denville Township residents live, with the share of the town in each.
| ZIP | Post office name | Share of Denville Township | ZIP’s residents in Denville Township |
|---|---|---|---|
| 07834 | Denville, NJ | 98% | 93% |
| 07866 | Rockaway, NJ | 1% | 1% |
A few homes fall in 07950, 07046, 07005.
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 Denville Township
Who supplies Denville Township’s drinking water, and has it had violations?
Denville Twp Water Dept (EPA ID NJ1408001). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 4.3 ppb (Jan 2024–Dec 2026), against a 15 ppb action level.
Who provides electricity in Denville Township?
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 Denville Township?
Optimum, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Denville Township?
07834 (98%), 07866 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Denville Township in?
Denville Township School District and Morris Hills Region School District.
How do I register to vote in Denville Township?
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: Denville Township’s own website (denvillenj.gov), read Oct 21, 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.