Clean Water Act discharge permit · NPDES IA0063606
UNITED STATES GYPSUM COMPANY - MEDIAPOLIS, Mediapolis, IA: NPDES IA0063606 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
UNITED STATES GYPSUM COMPANY - MEDIAPOLIS, held by UNITED STATES GYPSUM COMPANY, holds NPDES permit IA0063606. EPA’s file records it issued November 1, 2023 and expiring October 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | UNITED STATES GYPSUM COMPANY - MEDIAPOLIS |
|---|---|
| Permittee as filed | UNITED STATES GYPSUM COMPANY |
| NPDES ID | IA0063606 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2023 |
| Expiration date | October 31, 2028 |
| Issuing agency | STA |
| Address | Mediapolis, IA 52637 |
| Subwatershed | Big Hollow-Flint Creek (HUC 070801041203) |
| Other EPA IDs (FRS) | ICIS-AIR source IA0000001905700075 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 4With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Sulfate, total [as SO4] | 8 | 60 | 60 | March 31, 2025 | 72% over the limit |
| Solids, total suspended | 9 | 5 | 1 | August 31, 2020 | 3% over the limit |
| pH | 4 | 1 | 1 | May 31, 2017 | |
| BOD, carbonaceous [5 day, 20 C] | 7 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 48 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0063606.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0063606.
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 IA0063606.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IA0063606.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IA0063606 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.