PlainEnviro

Desoto, MS

Moderate Risk (46/100)

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 Desoto in Mississippi · Population: 188,598

Desoto, MS is tracked across three EPA datasets covering 16 Toxics Release Inventory (TRI) facilities, 18 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 46/100 (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 1.7M lbs of reported toxic releases under EPCRA Section 313, while 8 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 47 and a peak AQI of 136 in 2024, with 57% 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
188,598
TRI Facilities
16
Water Systems
18
Superfund Sites
0
Total Releases
1.7M 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 208 (57%) 154 4 136
2023 122 (34%) 231 7 134
2022 211 (58%) 148 6 133
2021 228 (63%) 135 1 136
2020 246 (67%) 119 0 100
2024 Good Air Quality: 57% of days
Unhealthy days: 4
Median AQI: 47

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 Mississippi, see the EPA's AirNow.gov.

Water Systems (18)

System Population Violations
CITY OF SOUTHAVEN 56,000 0
CITY OF OLIVE BRANCH 54,025 5
CITY OF HERNANDO 14,457 2
CITY OF HORN LAKE 13,649 0
HORN LAKE WATER ASSOCIATION 12,735 0
LEWISBURG WATER ASSOCIATION 9,390 2
WALLS WATER ASSN- LAKE FOREST 9,298 0
CITY OF HERNANDO-JAYBIRD 6,750 2
NESBIT WATER ASSOCIATION 5,734 0
EUDORA UTILITIES ASSOCIATION 3,749 0
WALLS WATER ASSOCIATION 2,999 0
DAYS WATER ASSOCIATION 2,825 6
CITY OF HERNANDO - LAUGHTER 2,521 2
BELMONT WATER ASSOCIATION 2,265 0
CITY OF HORN LAKE - TWIN LAKES 1,948 0
LEWISBURG -INGRAMS MILL NORTH 1,067 2
COUNTRY HAVEN MOBILE HOME PARK 829 2
CITY OF HORN LAKE - HOLLY HILLS 729 0

TRI Facilities (16)

# Facility Total Releases
1 Ardagh Metal Beverage USA Inc Re: Olive Branch Facility 897.1K lbs
2 US Tva Southaven Combined Cycle Plant 451.0K lbs
3 Rite Hite Products Corp 112.9K lbs
4 Sxp Schulz Xtruded Products LP 98.9K lbs
5 Plaskolite South LLC 49.0K lbs
6 Evercompounds LLC 33.8K lbs
7 Niteo Products Llc. 30.4K lbs
8 Abb Installation Products Inc 16.9K lbs
9 Bpi Coating Solutions LLC 10.9K lbs
10 Mueller Steamline Co- H & C Flex 1.4K lbs
11 Tri-State Ready-Mix Plant 22 62 lbs
12 Helmitin Inc 15 lbs
13 Mmc Materials Inc - Horn Lake 5 lbs
14 Mmc Materials Inc Hernando Temp Site 1 lbs
15 Mmc Materials Inc - Nesbit Road 0 lbs
16 Delta Industries Inc - Hernando - Plant 27 0 lbs

Cities in Desoto (5)

Horn Lake
Pop: -
2 facilities · 4 water
Hernando
Pop: -
4 facilities · 5 water
Olive Branch
Pop: -
7 facilities · 3 water
Southaven
Pop: -
2 facilities · 1 water
Nesbit
Pop: -
1 facilities · 3 water

Frequently Asked Questions

What is the environmental risk level in Desoto, Mississippi? ▼
Desoto, MS has an environmental risk score of 46/100 (Moderate Risk), based on 16 TRI facilities, 0 Superfund sites, and 18 water systems on record. 8 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Desoto? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Desoto, MS in the EPA database.
How many toxic release facilities are in Desoto? ▼
Desoto, MS has 16 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 1.7M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Desoto? ▼
In 2024, Desoto, MS recorded a median AQI of 47 and a peak AQI of 136. 57% 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 Desoto? ▼
Desoto, MS has 18 EPA-regulated water systems. 8 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 Desoto? ▼
Environmental compliance in Desoto, Mississippi is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Mississippi 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 Editorial