Clean Water Act discharge permit · NPDES IN0062367
TWIN LAKES RSD-RATTLESNAKE CRK, Monticello, IN: NPDES IN0062367 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
TWIN LAKES RSD-RATTLESNAKE CRK holds NPDES permit IN0062367, which discharges to Or/Wabash R/Rattlesnake Crk. EPA’s file records it issued December 14, 2020 and expiring April 30, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TWIN LAKES RSD-RATTLESNAKE CRK |
|---|---|
| Permittee as filed | TWIN LAKES RSD-RATTLESNAKE CRK |
| NPDES ID | IN0062367 |
| 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 | December 14, 2020 |
| Expiration date | April 30, 2026 |
| Issuing agency | IDEM |
| Address | Monticello, IN 47960 |
| Receiving water | OR/WABASH R/RATTLESNAKE CRK |
| Subwatershed | South Branch Galien River (HUC 040400010206) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 62 | 6 | May 31, 2021 | 187% over the limit |
| Solids, total suspended | 8 | 59 | 3 | April 30, 2021 | 40% over the limit |
| E. coli, colony forming units [CFU] | 3 | 21 | 2 | April 30, 2011 | 415% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 56 | 0 | ||
| pH | 2 | 28 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 28 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 14 | 0 | ||
| Flow, total | 1 | 14 | 0 | ||
| Number of Events | 2 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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 IN0062367.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
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
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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 IN0062367 there.
Nearby on the register
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.