Guest, Sign inJoin

Post to Mansfield Township

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
2018-06-28 17 58 42 View east along New Jersey State Route 57 just east of Allen Road-Newburg Road in Mansfield Township, Warren County, New JerseyPhoto: Famartin · CC BY-SA 4.0
The Mansfield Township handbook

Living in Mansfield Township, NJ: what to set up and who to call

The Hackettstown Mua water system has a clean five-year EPA record, but its latest lead result, 5.0 ppb, was higher than 90% of similar systems’ (the action level is 15). Two school districts split the grades in Mansfield Township: Mansfield Township School District and Warren Hills Region School District.

I’m new in town

What to set up in Mansfield Township, 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 Mansfield Township.

Electricity

Power comes from JCP&L

JCP&L (Jersey Central Power & Light Co.), an investor-owned utility, serves all of Mansfield 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.

Drinking water · reported to EPA

Water comes from Hackettstown Mua water system

The Hackettstown Mua water system supplies Mansfield Township: about 64% of residents live in its service area. About 35% 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 22,000 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.

Lead, 90th percentile5.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2026, was 5.0 ppb, below the 15 ppb action level that applied. The highest in five years was 5.2 ppb. That’s higher than 90% 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. NJ2108001.

Internet

5 home internet providers serve Mansfield Township

99% of 2,237 addresses can get 100/20 Mbps; 0% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
XfinityCable98%2,000/250
BrightspeedDSL, Fiber2%60/5
T-MobileFixed wireless62%100/20
VerizonFixed wireless53%300/20
AT&TFixed wireless23%25/3

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

Trash & recycling

Trash and recycling in Mansfield Township

Pickup days, the drop-off and recycling in Mansfield Township, from the town’s own site.

Drop-off

Pollution Control Financing Authority (PCFA) recycling facility

500 Mt. Pisgah Avenue, Oxford, NJ

MTWTFSS
8a
10a
12p
2p
4p
  • Mon7 am–2:30 pm
  • Tue7 am–2:30 pm
  • Wed7 am–2:30 pm
  • Thu7 am–2:30 pm
  • Fri7 am–2:30 pm
  • Sat7 am–11 am

From mansfieldtownship-nj.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-05-01 16:48:27, 2026-09-04 18:14:00. Rules change: the town’s page is the last word. .

Schools

Where your child goes to school

Public school districts and the school path by grade.

Mansfield Township kids go to
PK–6Mansfield Township ElementaryMansfield Township School District
7–8Warren Hills Regional Middle Schoolin Washington
9–12Warren Hills Regional High Schoolin Washington

Mansfield Township is in two districts that split the grades: Mansfield Township School District and Warren Hills Region School District.

CSchool gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Election office: FVAP local election office directory, updated Aug 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Mansfield Township spans 4 ZIP codes

ZIP codes where Mansfield Township residents live, with the share of the town in each.

ZIPPost office nameShare of Mansfield TownshipZIP’s residents in Mansfield Township
07840Hackettstown, NJ68%17%
07865Port Murray, NJ20%61%
07863Oxford, NJ10%20%
07882Washington, NJ2%1%

A few homes fall in 07838.

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 Mansfield Township

Who supplies Mansfield Township’s drinking water, and has it had violations?

The Hackettstown Mua water system (EPA ID NJ2108001). 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 5.0 ppb (Jan–Dec 2026), against a 15 ppb action level.

Who provides electricity in Mansfield 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 Mansfield Township?

Xfinity, Brightspeed, T-Mobile, Verizon, AT&T (FCC, as of December 2025).

What ZIP codes are in Mansfield Township?

07840 (68%), 07865 (20%), 07863 (10%), 07882 (2%), by share of residents. Census 2020 ZIP Code Tabulation Areas.

What school district is Mansfield Township in?

Mansfield Township School District and Warren Hills Region School District.

How do I register to vote in Mansfield 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 Warren 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: Mansfield Township’s own website (mansfieldtownship-nj.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.