Industrial users of Masonville, City Of-STP
Masonville, Iowa · 7 industrial users on record
In short
Masonville, City Of-STP in Masonville receives process wastewater from 7 industrial users on record in its pretreatment programme, led by chemicals, plastics and petroleum (3) and food and beverage (2).
5 of 7 industrial users
| # | Industrial user | Industry |
|---|---|---|
| 1 | Ag Processing Incorporated · Mason City | Food and beverage |
| 2 | Cargill Kitchen Solutions · Mason City | Food and beverage |
| 3 | Church& Dwight CO., INC. · Mason City | Chemicals, plastics and petroleum |
| 4 | Golden Grain Energy, Llc · Mason City | Chemicals, plastics and petroleum |
| 5 | Imi Cornelius, INC · Mason City | Automotive, metal and equipment manufacturing |
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For every industrial user of Masonville, City Of-STP: discharge flow, federal category, source documents and contacts. Free with a Klarifi account.
Or let Klarifi Plus run the outreach for you →Industrial users discharging to Masonville, City Of-STP, in alphabetical order; the first 5 of 7. Source: state pretreatment programme records, via Klarifi.
Industrial users by industry
| Industry | Industrial users |
|---|---|
| Chemicals, plastics and petroleum | 3 |
| Food and beverage | 2 |
| Automotive, metal and equipment manufacturing | 1 |
| Other industries | 1 |
The largest groups, from each user's NAICS code.
Industrial users of Masonville, City Of-STP: questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026.
Wastewater terms: Significant industrial user · Biosolids · POTW · NPDES permit · MGD · Lift station · all terms
Industrial users: state pretreatment programme records, via Klarifi. Spotted an error? Tell us and we correct it.