PlainEnviro

Codington, SD

Moderate Risk (44/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.

Environmental data for Codington in South Dakota · Population: 28,556

Codington, SD is tracked across three EPA datasets covering 12 Toxics Release Inventory (TRI) facilities, 7 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 44/100 (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 993.7K lbs of reported toxic releases under EPCRA Section 313, while 7 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 37 and a peak AQI of 102 in 2024, with 75% of observed days rated "Good" (0–50).

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
28,556
TRI Facilities
12
Water Systems
7
Superfund Sites
0
Total Releases
993.7K lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 269 (75%) 91 1 102
2023 215 (59%) 135 12 164
2022 285 (78%) 79 1 101
2021 246 (67%) 113 3 271
2020 293 (80%) 72 1 101
2024 Good Air Quality: 75% of days
Unhealthy days: 1
Median AQI: 37

Source: EPA Air Quality System (AQS) Annual AQI by County EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For real-time air quality readings and pollutant breakdowns in South Dakota, see the EPA's AirNow.gov.

Water Systems (7)

System Population Violations
WATERTOWN MUNICIPAL UTILITIES 23,230 2
SIOUX RURAL WATER SYSTEM 4,012 1
FLORENCE 337 2
HENRY 256 3
SOUTH SHORE 189 8
WALLACE 91 4
MARVIN 19 5

TRI Facilities (12)

# Facility Total Releases
1 Workhorse Cabs LLC DBA Crenlo Engineered Cabs 775.7K lbs
2 Glacial Lakes Energy LLC 162.9K lbs
3 Fiberglass Specialties Inc 52.0K lbs
4 Dakota Bodies LLC 2.1K lbs
5 Miller Electric Manufacturing Co 957 lbs
6 Terex South Dakota 14 lbs
7 Hubbard Feeds Inc Watertown Sd 0 lbs
8 Spartronics Watertown LLC 0 lbs
9 Twin City Die Castings Co - Watertown Div 0 lbs
10 Gcc-Watertown 0 lbs
11 Dakota Tube Building 1 0 lbs
12 Dakota Tube Building 3 0 lbs

Cities in Codington (1)

Watertown
Pop: -
12 facilities · 2 water

Frequently Asked Questions

What is the environmental risk level in Codington, South Dakota? ▼
Codington, SD has an environmental risk score of 44/100 (Moderate Risk), based on 12 TRI facilities, 0 Superfund sites, and 7 water systems on record. 7 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Codington? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Codington, SD in the EPA database.
How many toxic release facilities are in Codington? ▼
Codington, SD has 12 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 993.7K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Codington? ▼
In 2024, Codington, SD recorded a median AQI of 37 and a peak AQI of 102. 75% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Codington? ▼
Codington, SD has 7 EPA-regulated water systems. 7 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 Codington? ▼
Environmental compliance in Codington, 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.

Related

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