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Marshall, SD

Low Risk (16/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

Environmental data for Marshall in South Dakota · Population: 4,355

TRI sites such as Horton Inc; SDWIS systems such as BROWN-DAY-MARSHALL RWS; BRITTON; VEBLEN anchor Marshall, SD's EPA extract. Derived burden score 16/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Health-flagged SDWIS rows in Marshall include BRITTON; VEBLEN; EDEN, while Horton Inc leads reported TRI pounds among local Form R filers. No AQS county monitors report here.

Burden score 16/100 (Low Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Marshall -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

County population (Census ACS)
4,355
TRI Facilities
1
Water Systems
10
Superfund Sites
0
Total Releases
103 lbs

Water Systems (10)

System System pop (SDWIS) Violations
BROWN-DAY-MARSHALL RWS 5,673 0
BRITTON 1,215 1
VEBLEN 317 5
LANGFORD 283 0
PEEVER 140 0
SUNSET COLONY 140 0
CLAREMONT 108 0
EDEN 94 2
LAKE CITY 45 0
AMHERST WATER COMPANY 40 0

TRI Facilities (1)

# Facility Total Releases
1 Horton Inc 103 lbs

Cities in Marshall (4)

Britton
1 facilities · 7 water
Eden
0 facilities · 1 water
Langford
0 facilities · 1 water
Veblen
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Marshall, South Dakota? ▼
Marshall, SD has an environmental risk score of 16/100 (Low Risk), based on 1 TRI facilities, 0 Superfund sites, and 10 water systems on record. 3 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Marshall? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Marshall, SD in the EPA database.
How many toxic release facilities are in Marshall? ▼
Marshall, SD has 1 TRI-reporting facility on record with the EPA Toxic Release Inventory, with a combined total of 103 lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Marshall? ▼
Air quality monitoring data (EPA AQS) is not available for Marshall, SD. 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 Marshall? ▼
Marshall, SD has 10 EPA-regulated water systems. 3 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 Marshall? ▼
Environmental compliance in Marshall, South Dakota is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the South Dakota 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.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro