Clean Water Act discharge permit · NPDES IA0064700
CARDINAL SCHOOL STP, Eldon, IA: NPDES IA0064700 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CARDINAL SCHOOL STP, held by CARDINAL COMMUNITY SCHOOL, holds NPDES permit IA0064700. EPA’s file records it issued November 1, 2019 and expiring October 31, 2024.
CARDINAL SCHOOL STP, Eldon, Iowa: Individual permit IA0064700, held by CARDINAL COMMUNITY SCHOOL; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2019, term to October 31, 2024, by STA.
- BOD, carbonaceous [5 day, 20 C]: 4 limits, 214 violations of any kind, 116 effluent exceedances, latest April 30, 2025, largest 1,080% over the limit.
- Nitrogen, ammonia total [as N]: 56 limits, 156 violations of any kind, 116 effluent exceedances, latest April 30, 2025, largest 8,026% over the limit.
- Solids, total suspended: 9 limits, 120 violations of any kind, 26 effluent exceedances, latest April 30, 2025, largest 901% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 26 violations of any kind, 16 effluent exceedances, latest March 31, 2025, largest 98% over the limit.
- E. coli: 1 limit, 12 violations of any kind, 7 effluent exceedances, latest October 31, 2024, largest 122,122% over the limit.
- pH: 2 limits, 44 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
CARDINAL SCHOOL STP among its neighbors
EPA’s permit file holds 2 discharge permits in the Rock Creek subwatershed (HUC 070801070701), IA0064700 among them. Its county holds 17, 3 of them major permits; IA0064700 is a minor permit.
Other permits in the Rock Creek subwatershed (HUC 070801070701)
- BATAVIA CITY OF STP, Batavia: IA0061778, minor permit, permit term to February 29, 2016
Identity
| Facility as filed | CARDINAL SCHOOL STP |
|---|---|
| Permittee as filed | CARDINAL COMMUNITY SCHOOL |
| NPDES ID | IA0064700 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2019 |
| Expiration date | October 31, 2024 |
| Issuing agency | STA |
| Address | Eldon, IA 52554 |
| Subwatershed | Rock Creek (HUC 070801070701) |
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 6With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 214 | 116 | April 30, 2025 | 1,080% over the limit |
| Nitrogen, ammonia total [as N] | 56 | 156 | 116 | April 30, 2025 | 8,026% over the limit |
| Solids, total suspended | 9 | 120 | 26 | April 30, 2025 | 901% over the limit |
| Oxygen, dissolved [DO] | 1 | 26 | 16 | March 31, 2025 | 98% over the limit |
| E. coli | 1 | 12 | 7 | October 31, 2024 | 122,122% over the limit |
| pH | 2 | 44 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0064700.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0064700.
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 IA0064700.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.