Montgomery, IA
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 Montgomery in Iowa · Population: 10,254
TRI sites such as Parker Hannifin Corp. Inc.; Clarios LLC; Nachurs Alpine Solutions; SDWIS systems such as RED OAK WATER SUPPLY; VILLISCA MUNICIPAL WATER DEPT; EMERSON WATER DEPARTMENT; NPL sites such as Red Oak City Landfill anchor Montgomery, IA's EPA extract. Derived burden score 22/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Parker Hannifin Corp. Inc.; Clarios LLC; Nachurs Alpine Solutions are among the largest Form R filers reporting in Montgomery; no SDWIS system here carries an active health-based flag. AQS median AQI 42 / peak 80 in 2024.
Burden score 22/100 (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 Montgomery -- 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.
Release-over-release change
What changed for Montgomery, IA: EPA TRI 2023 reporting year
Same facilities, both years
+20.4%
5 facilities that filed in 2022 and 2023
Whole inventory
+20.4%
14.5 thousand lb → 17.4 thousand lb, every facility that filed
- Montgomery, IA's total reported releases rose from 14.5 thousand lb in 2022 to 17.4 thousand lb in 2023, based on EPA TRI filings.
- Montgomery, IA's land releases rose from 19 lb in 2022 to 57 lb in 2023, based on EPA TRI filings.
- Montgomery, IA's air releases rose from 132 lb in 2022 to 168 lb in 2023, based on EPA TRI filings.
- Montgomery, IA's off-site transfers rose from 14.3 thousand lb in 2022 to 17.2 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 | 272 (77%) | 82 | 0 | 80 |
| 2023 | 226 (62%) | 131 | 7 | 147 |
| 2022 | 305 (84%) | 58 | 0 | 79 |
| 2021 | 250 (71%) | 100 | 1 | 112 |
| 2020 | 277 (76%) | 89 | 0 | 79 |
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 Iowa, see the EPA's AirNow.gov.
Water Systems (4)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| RED OAK WATER SUPPLY | 5,596 | 0 |
| VILLISCA MUNICIPAL WATER DEPT | 1,132 | 0 |
| EMERSON WATER DEPARTMENT | 412 | 0 |
| ELLIOTT WATER SUPPLY | 345 | 0 |
TRI Facilities (5)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Parker Hannifin Corp. Inc. | 54.2K lbs |
| 2 | Clarios LLC | 649 lbs |
| 3 | Nachurs Alpine Solutions | 237 lbs |
| 4 | Central Iowa Ready Mix Red Oak | 219 lbs |
| 5 | Novae Llc.-Red Oak | 0 lbs |
Superfund Sites (1)
| Site Name | Status | HRS Score |
|---|---|---|
| Red Oak City Landfill | Deleted NPL Site | 34.13 |
Cities in Montgomery (4)
Frequently Asked Questions
What is the environmental risk level in Montgomery, Iowa? ▼
Are there Superfund sites in Montgomery? ▼
How many toxic release facilities are in Montgomery? ▼
What is the air quality in Montgomery? ▼
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What environmental agencies cover Montgomery? ▼
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.