NPDES IA0076881 · Clean Water Act
KINZE MANUFACTURING, INC., Williamsburg, IA: NPDES IA0076881 discharge permit, effluent exceedances, inspections, penalties
KINZE MANUFACTURING, INC., Williamsburg, Iowa: Individual permit IA0076881; Effective; issued August 1, 2023, term to July 31, 2028, by STA; Farm Machinery and Equipment Manufacturing.
4 of the 18 pollutants listed for NPDES IA0076881 have no violation or effluent exceedance.
- BOD, carbonaceous [5 day, 20 C]: 5 limits, 23 violations of any kind, 10 effluent exceedances, latest January 31, 2026, largest 108% over the limit.
- pH: 4 limits, 19 violations of any kind, 9 effluent exceedances, latest June 30, 2010.
- Nitrogen, ammonia total [as N]: 48 limits, 16 violations of any kind, 8 effluent exceedances, latest November 30, 2025, largest 310% over the limit.
- Solids, total suspended: 4 limits, 21 violations of any kind, 6 effluent exceedances, latest June 30, 2025, largest 200% over the limit.
- Oil & Grease: 2 limits, 20 violations of any kind, 4 effluent exceedances, latest May 31, 2026, largest 82% over the limit.
- Zinc, total [as Zn]: 6 limits, 9 violations of any kind, 1 effluent exceedance, latest December 31, 2023, largest 4% over the limit.
- Cyanide, total [as CN]: 6 limits, 22 violations of any kind.
- Cadmium, total [as Cd]: 6 limits, 22 violations of any kind.
- Lead, total [as Pb]: 6 limits, 22 violations of any kind.
- Silver, total [as Ag]: 6 limits, 22 violations of any kind.
- Chromium, total [as Cr]: 2 limits, 22 violations of any kind.
- Copper, total [as Cu]: 6 limits, 14 violations of any kind.
- Nickel, total [as Ni]: 6 limits, 8 violations of any kind.
- Organics, total toxic [TTO]: 1 limit, 6 violations of any kind.
- Chromium, hexavalent [as Cr]: 4 limits.
- E. coli: 4 limits.
- Oxygen, dissolved [DO]: 3 limits.
- Depth of pond or reservoir in feet: 3 limits.
KINZE MANUFACTURING, INC. among its neighbors
3 discharge permits are in the Headwaters Old Mans Creek subwatershed (HUC 070802090201); IA0076881 is one. Its county: 26, 1 major; IA0076881 is minor permit.
Other permits in the Headwaters Old Mans Creek subwatershed (HUC 070802090201)
- HILLSIDE ESTATES CARE FACILITY (NOW BAYER PRODUCTION SUPPLY), Williamsburg: IA0065927, minor, term to 2013-05-04
- KUM & GO #1443 WILLIAMSBURG, Williamsburg: IA0053388, minor, term to 2027-03-31
Identity
| Facility | KINZE MANUFACTURING, INC. |
|---|---|
| Permittee | KINZE MANUFACTURING, INC. |
| NPDES ID | IA0076881 |
| Status | Effective |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | August 1, 2023 |
| Expires | July 31, 2028 |
| Agency | STA |
| Address | Williamsburg, IA 52361 |
| Subwatershed | Headwaters Old Mans Creek (HUC 070802090201) |
| NAICS | 333111 – Farm Machinery and Equipment Manufacturing |
| SIC | 3523 – Farm Machinery And Equipment |
| Other EPA IDs (FRS) | RCRA handler IAD080311384; ICIS-AIR source IA0000001909500055 |
NPDES IA0076881: effluent limits and exceedances
KINZE MANUFACTURING, INC. (NPDES IA0076881): 18 pollutants on file, 18 limited; 14 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 5 | 23 | 10 | January 31, 2026 | 108% over the limit |
| pH | 4 | 19 | 9 | June 30, 2010 | |
| Nitrogen, ammonia total [as N] | 48 | 16 | 8 | November 30, 2025 | 310% over the limit |
| Solids, total suspended | 4 | 21 | 6 | June 30, 2025 | 200% over the limit |
| Oil & Grease | 2 | 20 | 4 | May 31, 2026 | 82% over the limit |
| Zinc, total [as Zn] | 6 | 9 | 1 | December 31, 2023 | 4% over the limit |
| Cyanide, total [as CN] | 6 | 22 | 0 | ||
| Cadmium, total [as Cd] | 6 | 22 | 0 | ||
| Lead, total [as Pb] | 6 | 22 | 0 | ||
| Silver, total [as Ag] | 6 | 22 | 0 | ||
| Chromium, total [as Cr] | 2 | 22 | 0 | ||
| Copper, total [as Cu] | 6 | 14 | 0 | ||
| Nickel, total [as Ni] | 6 | 8 | 0 | ||
| Organics, total toxic [TTO] | 1 | 6 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 0 | 0 | ||
| E. coli | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 |
NPDES IA0076881: inspections, violations and enforcement
NPDES IA0076881 (KINZE MANUFACTURING, INC.): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES IA0076881
NPDES IA0076881: one email when its EPA record changes — $99/month.
Permits near NPDES IA0076881
NPDES IA0076881: 18 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.