Macomb, MI
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. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.
Environmental data for Macomb in Michigan · Population: 877,624
TRI sites such as Fca US Warren Truck Assembly Plant; Henkel US Operations Corp; Fca US Sterling Heights Assembly Plant; SDWIS systems such as WARREN, CITY OF; STERLING HEIGHTS, CITY OF; CLINTON TOWNSHIP; NPL sites such as G&H Landfill; Liquid Disposal, Inc.; South Macomb Disposal Authority (Landfills #9 and #9A) anchor Macomb, MI's EPA extract. Derived burden score 91/100 (High Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
EPCRA disclosures in Macomb total 5.0M lbs; health-flagged SDWIS rows include MOUNT CLEMENS, CITY OF; NEW BALTIMORE, CITY OF; NEW HAVEN, VILLAGE OF, while Fca US Warren Truck Assembly Plant leads TRI pounds. AQS median AQI 42 / peak 115 in 2024.
Largest TRI sites in the extract: Fca US Warren Truck Assembly Plant; Henkel US Operations Corp; Fca US Sterling Heights Assembly Plant. Named SDWIS systems: WARREN, CITY OF; STERLING HEIGHTS, CITY OF; CLINTON TOWNSHIP. NPL sites on record: G&H Landfill; Liquid Disposal, Inc.; South Macomb Disposal Authority (Landfills #9 and #9A). Burden score 91/100 (High Risk) is the only weighted composite here; tables reproduce EPA disclosure history, not a current-safety verdict.
Release-over-release change
What changed for Macomb, MI: EPA TRI 2023 reporting year
Same facilities, both years
+1.6%
47 facilities that filed in 2022 and 2023
Whole inventory
+5.1%
958.0 thousand lb → 1.0 million lb, every facility that filed
Between the two reporting years, 2 facilities filed for the first time and 4 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Macomb, MI's total reported releases rose from 958.0 thousand lb in 2022 to 973.5 thousand lb in 2023, based on EPA TRI filings.
- Macomb, MI's land releases fell from 465 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Macomb, MI's off-site transfers rose from 423.9 thousand lb in 2022 to 489.5 thousand lb in 2023, based on EPA TRI filings.
- Macomb, MI's air releases fell from 533.6 thousand lb in 2022 to 483.9 thousand lb in 2023, based on EPA TRI filings.
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 | 259 (71%) | 104 | 3 | 115 |
| 2023 | 182 (50%) | 170 | 8 | 195 |
| 2022 | 223 (61%) | 140 | 2 | 126 |
| 2021 | 180 (49%) | 182 | 3 | 115 |
| 2020 | 252 (84%) | 35 | 12 | 126 |
Source: 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 Michigan, see the EPA's AirNow.gov.
Water Systems (35)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| WARREN, CITY OF | 134,056 | 0 |
| STERLING HEIGHTS, CITY OF | 127,000 | 0 |
| CLINTON TOWNSHIP | 100,513 | 0 |
| MACOMB TOWNSHIP | 90,000 | 0 |
| SHELBY TOWNSHIP | 72,000 | 0 |
| ST. CLAIR SHORES, CITY OF | 59,715 | 0 |
| ROSEVILLE, CITY OF | 47,299 | 0 |
| CHESTERFIELD TOWNSHIP | 41,650 | 0 |
| EASTPOINTE, CITY OF | 32,442 | 0 |
| HARRISON TOWNSHIP | 24,314 | 0 |
| MOUNT CLEMENS, CITY OF | 16,314 | 7 |
| WASHINGTON TOWNSHIP | 15,828 | 0 |
| FRASER, CITY OF | 14,297 | 0 |
| NEW BALTIMORE, CITY OF | 12,720 | 3 |
| CENTER LINE, CITY OF | 8,257 | 0 |
| RICHMOND, CITY OF | 6,200 | 0 |
| NEW HAVEN, VILLAGE OF | 5,600 | 2 |
| UTICA, CITY OF | 5,059 | 0 |
| ROMEO, VILLAGE OF | 3,750 | 0 |
| LENOX TOWNSHIP | 3,000 | 0 |
| ARMADA, VILLAGE OF | 1,794 | 2 |
| LONG LAKE VILLAGE SUBDIVISION | 273 | 0 |
| WASHINGTON MHP | 268 | 0 |
| PINE LAKES MANUFACTURED HOMES | 230 | 0 |
| PHOENIX ESTATES | 164 | 0 |
| PLEASANT ACRES MOBILE HOME COMMUNITY LLC | 158 | 1 |
| WESTGATE MOBILE HOME COMMUNITY | 150 | 0 |
| BRUCE TOWNSHIP | 115 | 0 |
| TANNERY CREEK CONDOMINUM ASSOCIATION | 90 | 0 |
| COUNTRY MEADOWS MOBILE HOME PARK | 55 | 0 |
| HIDDEN GLEN APARTMENTS | 50 | 3 |
| MAIN STREET APARTMENTS | 48 | 0 |
| RIDGEWAY | 31 | 2 |
| DEER PARK CONDOMINIUMS | 30 | 0 |
| HERITAGE APARTMENTS | 30 | 3 |
TRI Facilities (50)
Superfund Sites (4)
| Site Name | Status | HRS Score |
|---|---|---|
| G&H Landfill | NPL Site | 49.09 |
| Liquid Disposal, Inc. | NPL Site | 63.28 |
| South Macomb Disposal Authority (Landfills #9 and #9A) | NPL Site | 33.67 |
| Ten-Mile Drain | NPL Site | 48.88 |
Cities in Macomb (25)
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.