Clean Water Act discharge permit · NPDES IA0032727
TIPTON CITY OF STP, Tipton, IA: NPDES IA0032727 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
TIPTON CITY OF STP, held by CITY OF TIPTON (WEST), holds NPDES permit IA0032727. EPA’s file records it issued June 1, 2016 and expiring May 31, 2021.
TIPTON CITY OF STP, Tipton, Iowa: Individual permit IA0032727, held by CITY OF TIPTON (WEST); Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 1, 2016, term to May 31, 2021, by STA; Sewage Treatment Facilities.
- Nitrogen, ammonia total [as N]: 48 limits, 8 violations of any kind, 4 effluent exceedances, latest December 31, 2025, largest 121% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest February 28, 2021, largest 110% over the limit.
- Solids, total suspended: 9 limits, 8 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Ceriodaphnia dubia: 1 limit, 6 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 1 limit, 6 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 10 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 10 limits, 0 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- pH: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, hexavalent [as Cr]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Thallium, total [as Tl]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 133 were issued before IA0032727. CITY OF TIPTON (WEST) holds 2 permits in Iowa.
Other permits held by CITY OF TIPTON (WEST)
- CITY OF TIPTON (WEST), Tipton: IAL032727, issued January 1, 2021
Coverages issued nearest IA0032727
- April 1, 2016: WATERLOO CITY OF STP, Waterloo, IA0042650, held by CITY OF WATERLOO
- May 1, 2016: VAIL CITY OF STP, Vail, IA0032654, held by CITY OF VAIL
- May 1, 2016: MASON CITY, CITY OF STP, Mason City, IA0057169, held by CITY OF MASON CITY
- May 1, 2016: DELMAR, CITY OF STP, Delmar, IA0061913, held by CITY OF DELMAR
- June 1, 2016: CLARENCE CITY OF STP, Clarence, IA0027201, held by CITY OF CLARENCE
- June 1, 2016: WEST POINT CITY OF STP, West Point, IA0043109, held by CITY OF WEST POINT
- July 1, 2016: NEWELL, CITY OF STP, Newell, IA0021989, held by CITY OF NEWELL
- July 1, 2016: TRACY CITY OF STP (MAHASKA RURAL WATER SYSTEMS, INC.), Tracy, IA0081647, held by MAHASKA RURAL WATER SYSTEMS, INC.
- July 26, 2016: WINNAVEGAS CASINO COMPLEX, Sloan, IA0073717, held by Winnebago Tribe of Nebraska
- August 1, 2016: ELK HORN CITY OF STP, Elk Horn, IA0027677, held by CITY OF ELK HORN
TIPTON CITY OF STP among its neighbors
EPA’s permit file holds 4 discharge permits in the Crooked Creek subwatershed (HUC 070802060801), IA0032727 among them. Its county holds 11, 1 of them major permits; IA0032727 is a major permit.
Other permits in the Crooked Creek subwatershed (HUC 070802060801)
- CITY OF TIPTON (EAST), Tipton: IAL070581, minor permit, permit term to December 31, 2025
- CITY OF TIPTON (WEST), Tipton: IAL032727, minor permit, permit term to December 31, 2025
- HWH CORPORATION, Moscow: IA0071056, minor permit, permit term to February 17, 2010
Identity
| Facility as filed | TIPTON CITY OF STP |
|---|---|
| Permittee as filed | CITY OF TIPTON (WEST) |
| NPDES ID | IA0032727 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 1, 2016 |
| Expiration date | May 31, 2021 |
| Issuing agency | STA |
| Address | Tipton, IA 52772 |
| Subwatershed | Crooked Creek (HUC 070802060801) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 5With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 48 | 8 | 4 | December 31, 2025 | 121% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 2 | 2 | February 28, 2021 | 110% over the limit |
| Solids, total suspended | 9 | 8 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 6 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 6 | 0 | ||
| Nitrogen, total [as N] | 10 | 0 | 0 | ||
| Phosphorus, total [as P] | 10 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| pH | 5 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 5 | 0 | 0 | ||
| Nickel, total [as Ni] | 5 | 0 | 0 | ||
| Copper, total [as Cu] | 4 | 0 | 0 | ||
| Thallium, total [as Tl] | 4 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0032727.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0032727.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES IA0032727.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.