PlainEnviro

Portage, WI

Moderate Risk (48/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.

Environmental data for Portage in Wisconsin · Population: 70,375

Portage, WI is tracked across three EPA datasets covering 14 Toxics Release Inventory (TRI) facilities, 23 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 48/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 15.8M lbs of reported toxic releases under EPCRA Section 313, while 11 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

Population
70,375
TRI Facilities
14
Water Systems
23
Superfund Sites
0
Total Releases
15.8M lbs

Water Systems (23)

System Population Violations
STEVENS POINT WATERWORKS 26,717 0
PLOVER WATERWORKS 13,486 1
WHITING WATERWORKS 1,743 0
AMHERST WATERWORKS 1,119 1
TREMAIN MOBILE HOME PARK 475 10
JUNCTION CITY WATERWORKS 416 0
RIVERVIEW ESTATES MHP 150 3
MAIZEFIELD MHC (MANUFACTURED HOME COMMUNITY) 145 1
SHADY HILL MOBILE HOME PARK 140 2
LAKEVIEW ESTATES MHP 112 0
COUNTRY AIRE MOBILE HOME COURT LLC 98 0
PINE GROVE VILLA 75 1
OAK LANE MOBILE HOME PARK 60 0
PATRICIA LAKE MANUFACTURED HOUSING COMMUNITY 56 0
FISHERMANS PARADISE MHP 54 0
ACORN ACRES MHP 52 1
HILLY HAVEN LLC 45 1
WEST GATE ESTATES MOBILE HMS 43 0
MARSHVIEW TERRACE 40 12
MEADOWBROOK MOBILE HOME PARK 39 0
COULEE MANOR TRAILER PARK 39 0
WILLOW LANE ESTATES 34 0
KEYES LAKE MOBILE HOME PARK 30 4

TRI Facilities (14)

# Facility Total Releases
1 Foremost Farms USA 9.8M lbs
2 McCain Foods USA Inc 5.8M lbs
3 Silgan Containers Manufacturing Corp 89.4K lbs
4 Steel King Industries Inc 59.1K lbs
5 Water Renewal Center 44.2K lbs
6 Donaldson Co Inc 29.5K lbs
7 Flint Hills Resources Pine Bend LLC Junction City Terminal 18.1K lbs
8 Stevens Point Mill 8.9K lbs
9 Online Packaging Inc 2.1K lbs
10 Felker Brothers Corp 39 lbs
11 Oldcastle Lawn & Garden 0 lbs
12 Gamber-Johnson LLC 0 lbs
13 Gamber Johnson 0 lbs
14 Neenah Paper 0 lbs

Cities in Portage (5)

Junction City
Pop: -
1 facilities · 1 water
Amherst Junction
Pop: -
1 facilities · 0 water
Plover
Pop: -
4 facilities · 2 water
Wisconsin Rapids
Pop: -
8 facilities · 3 water
Stevens Point
Pop: -
7 facilities · 19 water

Frequently Asked Questions

What is the environmental risk level in Portage, Wisconsin? ▼
Portage, WI has an environmental risk score of 48/100 (Moderate Risk), based on 14 TRI facilities, 0 Superfund sites, and 23 water systems on record. 11 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Portage? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Portage, WI in the EPA database.
How many toxic release facilities are in Portage? ▼
Portage, WI has 14 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 15.8M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Portage? ▼
Air quality monitoring data (EPA AQS) is not available for Portage, WI. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Portage? ▼
Portage, WI has 23 EPA-regulated water systems. 11 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Portage? ▼
Environmental compliance in Portage, Wisconsin is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Wisconsin state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial