Clean Water Act discharge permit · NPDES IN0063258
ST JOSEPH COUNTY RWSD - WYATT WWTP, Wyatt, IN: NPDES IN0063258 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 30Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ST JOSEPH COUNTY RWSD - WYATT WWTP holds NPDES permit IN0063258, which discharges to Yellow River. EPA’s file records it issued August 13, 2020 and expiring August 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ST JOSEPH COUNTY RWSD - WYATT WWTP |
|---|---|
| Permittee as filed | ST JOSEPH COUNTY RWSD - WYATT WWTP |
| NPDES ID | IN0063258 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 13, 2020 |
| Expiration date | August 31, 2025 |
| Issuing agency | IDEM |
| Address | Wyatt, IN 46595 |
| Receiving water | YELLOW RIVER |
| Subwatershed | Kline Rouch Ditch-Yellow River (HUC 071200010302) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 36Pollutants on file
- 30Under a numeric limit
- 27With a violation of any kind
- 14With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 7 | 92 | 88 | October 31, 2025 | 391% over the limit |
| E. coli, colony forming units [CFU] | 3 | 34 | 34 | April 30, 2024 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 7 | 35 | 31 | May 31, 2024 | 856% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 7 | 25 | 25 | June 30, 2024 | 118% over the limit |
| Solids, suspended percent removal | 0 | 25 | 25 | July 31, 2020 | 307% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 9 | 6 | September 30, 2024 | 99,999% over the limit |
| pH | 5 | 6 | 6 | April 30, 2019 | |
| Chlorine, total residual | 4 | 3 | 3 | September 30, 2019 | 60% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 3 | 5 | 2 | February 28, 2022 | 99,999% over the limit |
| Copper, total recoverable | 8 | 4 | 2 | May 31, 2024 | 35% over the limit |
| Chloride [as Cl] | 6 | 3 | 1 | November 30, 2016 | 75% over the limit |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 3 | 1 | November 30, 2010 | 65% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 3 | 1 | November 30, 2010 | 32% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 1 | 1 | February 28, 2017 | 53% over the limit |
| Toxicity [acute], Ceriodaphnia dubia | 3 | 3 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 3 | 3 | 0 | ||
| Sulfate, total [as SO4] | 5 | 2 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| Noel Statre 7Day Chronic Pimephales | 0 | 2 | 0 | ||
| Copper, dry weight | 2 | 1 | 0 | ||
| Cadmium, dry weight | 2 | 1 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 1 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 1 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 1 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 1 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| Nickel, total recoverable | 5 | 0 | 0 | ||
| Zinc, total recoverable | 5 | 0 | 0 | ||
| Cadmium, total recoverable | 5 | 0 | 0 | ||
| Lead, total recoverable | 5 | 0 | 0 | ||
| Chromium, total recoverable | 5 | 0 | 0 | ||
| Phenol | 5 | 0 | 0 | ||
| Number of Events | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 | ||
| Flow, well water | 1 | 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 IN0063258.
Inspections
EPA’s inspection file holds no inspection for NPDES IN0063258.
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 IN0063258.
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, IN0063258.
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 IN0063258 there.
ST JOSEPH COUNTY RWSD - WYATT WWTP, Wyatt, Indiana: Individual permit IN0063258; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 13, 2020, term to August 31, 2025, by IDEM; discharges to YELLOW RIVER.
- Solids, total suspended: 7 limits, 92 violations of any kind, 88 effluent exceedances, latest October 31, 2025, largest 391% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 34 violations of any kind, 34 effluent exceedances, latest April 30, 2024, largest 99,999% over the limit.
- Nitrogen, ammonia total [as N]: 7 limits, 35 violations of any kind, 31 effluent exceedances, latest May 31, 2024, largest 856% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 7 limits, 25 violations of any kind, 25 effluent exceedances, latest June 30, 2024, largest 118% over the limit.
- Solids, suspended percent removal: 0 limits, 25 violations of any kind, 25 effluent exceedances, latest July 31, 2020, largest 307% over the limit.
- Toxicity [chronic], Ceriodaphnia dubia: 3 limits, 9 violations of any kind, 6 effluent exceedances, latest September 30, 2024, largest 99,999% over the limit.
- pH: 5 limits, 6 violations of any kind, 6 effluent exceedances, latest April 30, 2019.
- Chlorine, total residual: 4 limits, 3 violations of any kind, 3 effluent exceedances, latest September 30, 2019, largest 60% over the limit.
- Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 3 limits, 5 violations of any kind, 2 effluent exceedances, latest February 28, 2022, largest 99,999% over the limit.
- Copper, total recoverable: 8 limits, 4 violations of any kind, 2 effluent exceedances, latest May 31, 2024, largest 35% over the limit.
- Chloride [as Cl]: 6 limits, 3 violations of any kind, 1 effluent exceedance, latest November 30, 2016, largest 75% over the limit.
- LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 0 limits, 3 violations of any kind, 1 effluent exceedance, latest November 30, 2010, largest 65% over the limit.
- NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia: 0 limits, 3 violations of any kind, 1 effluent exceedance, latest November 30, 2010, largest 32% over the limit.
- BOD, carb-5 day, 20 deg C, percent removal: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest February 28, 2017, largest 53% over the limit.
- Toxicity [acute], Ceriodaphnia dubia: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Sulfate, total [as SO4]: 5 limits, 2 violations of any kind, 0 effluent exceedances.
- LC50 Static Renewal 96Hr Acute Pimephales promelas: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Noel Statre 7Day Chronic Pimephales: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 2 limits, 1 violation of any kind, 0 effluent exceedances.
- Flow, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Phenol: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Flow, well water: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 443 were issued before IN0063258.
Coverages issued nearest IN0063258
- July 29, 2020: MONTPELIER WWTP, Montpelier, IN0020117
- August 5, 2020: BROWNSBURG WWTP, Brownsburg, IN0021245
- August 13, 2020: TELL CITY WWTP, Tell City, IN0021016, held by TELL CITY MUNICIPAL WWTP
- August 13, 2020: SALAMONIE RESERVOIR LOST BRIDGE WEST SRA, Andrews, IN0030449, held by SALAMONIE RESERVOIR LOST BRIDGE WEST ST. REC. AREA
- August 13, 2020: PATRIOT WWTP, Patriot, IN0056391
- August 27, 2020: RUSSIAVILLE WWTP, Russiaville, IN0020532, held by RUSSIAVILLE WWTP, TOWN OF
- August 27, 2020: ROSSVILLE WWTP, Rossville, IN0020907, held by ROSSVILLE WWTP, TOWN OF
- August 27, 2020: ANDERSON WWTP, Anderson, IN0032476
- August 27, 2020: ELWOOD WWTP, CITY OF, Elwood, IN0032719
- August 27, 2020: MOUNT VERNON WWTP, Mount Vernon, IN0035696, held by MOUNT VERNON MUNICIPAL WWTP
ST JOSEPH COUNTY RWSD - WYATT WWTP among its neighbors
EPA’s permit file holds 6 discharge permits in the Kline Rouch Ditch-Yellow River subwatershed (HUC 071200010302), IN0063258 among them. Its county holds 73, 3 of them major permits; IN0063258 is a minor permit.
Other permits in the Kline Rouch Ditch-Yellow River subwatershed (HUC 071200010302)
- GARY HELMUTH, Nappanee: INRA10521, minor permit, permit term to October 11, 2027
- INDIANA MUNICIPAL POWER AGENCY SOLAR PARK, Bremen: INRA08737, minor permit, permit term to October 14, 2026
- KEYSTONE RV COMPANY, Wakarusa: INRM02833, minor permit, permit term to October 21, 2026
- MADISON ELEMENTARY SCHOOL, Osceola: IN0062499, minor permit, discharging to LEMAN BIRK NEWCOMER DITCH, permit term to June 30, 2026
- SOUTHWIRE SW104, Bremen: INRA12031, minor permit, permit term to June 22, 2028
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.