TRI Reporter
Clean Air Act
Clean Water Act
RCRA
HACH COMPANY
Quick Summary
- •Released 2,502 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
100 DAYTON AVE.
AMES, IA 50010
View on map ↗ - County
- STORY County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325998
- Inspections
- 2 · last May 29, 2025
- Total Penalties
- $0 · last May 23, 1994
- Registry ID
- 110000612025
How This Compares
#210
of 420 TRI reporters in IA
#5,955
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2015–2024)
-95% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 45 | — |
| 2016 | 46 | +1% |
| 2017 | 2,502 | +5369% |
| 2018 | 1 | -100% |
| 2019 | 1 | +34% |
| 2020 | 2 | +77% |
| 2021 | 1 | -63% |
| 2022 | 3 | +228% |
| 2023 | 2 | -19% |
| 2024 | 2 | +5% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Maleic anhydride | — | — | — | — | — | |
| Mercury compounds | 2 | 2 | — | — | 63 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Mercury compounds | 2 | 2 | — | — | 61 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Mercury compounds | 3 | 3 | — | — | 87 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Maleic anhydride | — | — | — | — | — | |
| Mercury compounds | 1 | 1 | — | — | 58 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Mercury compounds | 2 | 2 | — | — | 109 | |
| Molybdenum trioxide | 1 | 1 | — | — | 546 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | — | — | — | — | — | |
| Lead compounds | — | — | — | — | 54 | |
| Mercury compounds | 1 | 1 | — | — | 73 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Maleic anhydride | — | — | — | — | — | |
| Mercury compounds | 1 | 1 | — | — | 96 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | — | — | ♦ Carcinogen |
| Maleic anhydride | — | — | — | — | — | |
| Methanol | 2,500 | 2,500 | — | — | 250 | |
| Mercury compounds | 2 | 2 | — | — | 424 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | 45 | 45 | — | — | — | |
| Mercury compounds | 1 | 1 | — | — | 404 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Maleic anhydride | 44 | 44 | — | — | — | |
| Mercury compounds | 2 | 2 | — | — | 418 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Mercury compounds | — | 63 | — | — |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Mercury compounds | — | 63 | — | — |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Mercury compounds | 0 | AMES WATER POLLUTION CONTROL FACILITY, AMES |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Aug 14, 2018 | Aug 14, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Aug 14, 2018 | Aug 23, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 14, 2018 | Jan 4, 2019 | Resolved |
| rcra | Violation of a Federal or State Statute | Aug 18, 2015 | Aug 25, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 18, 2015 | Aug 25, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Aug 18, 2015 | Aug 25, 2015 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 2, 2014 | Jun 30, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 8, 2000 | Aug 16, 2000 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 8, 2000 | Aug 16, 2000 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Aug 8, 2000 | Aug 16, 2000 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Apr 28, 1988 | Aug 22, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Apr 28, 1988 | Aug 22, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Apr 28, 1988 | Aug 22, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jun 25, 1986 | Jul 22, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jun 25, 1986 | Jul 22, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jun 25, 1986 | Jul 22, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Dec 20, 1983 | Jan 20, 1984 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 23, 1983 | Jun 25, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 10, 1982 | Aug 23, 1983 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Aug 28, 1981 | Sep 10, 1982 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 28, 1981 | Sep 10, 1982 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-001 · Aug 8, 2000
Administrative - Formal
· Case 07-1993-0074 · May 23, 1994
$25,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-010 · Mar 24, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-011 · Dec 7, 1988
Administrative - Formal
· Case 07-1987-0247 · Jun 2, 1988
$5,250
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-002 · Jun 2, 1988
$5,250
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-004 · Apr 28, 1988
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-008 · Feb 20, 1988
$10,500
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-009 · Jun 25, 1986
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-007 · Sep 28, 1983
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-006 · Oct 4, 1982
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAD091385294-005 · Sep 16, 1981
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· Manufacturing