Clean Water Act discharge permit · NPDES IN0061239
LACONIA MUNICIPAL WWTP, Laconia, IN: NPDES IN0061239 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 2Inspections on file
- 0Formal enforcement actions
LACONIA MUNICIPAL WWTP holds NPDES permit IN0061239, which discharges to Ohio River. EPA’s file records it issued May 27, 2016 and expiring September 30, 2021.
LACONIA MUNICIPAL WWTP, Laconia, Indiana: Individual permit IN0061239; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued May 27, 2016, term to September 30, 2021, by IDEM; discharges to OHIO RIVER.
- Nitrogen, ammonia total [as N]: 4 limits, 60 violations of any kind, 45 effluent exceedances, latest July 31, 2026, largest 878% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 45 violations of any kind, 34 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 4 limits, 16 violations of any kind, 2 effluent exceedances, latest April 30, 2003, largest 19% over the limit.
- Solids, suspended percent removal: 1 limit, 3 violations of any kind, 2 effluent exceedances, latest July 31, 2004, largest 22% over the limit.
- Number of Events: 2 limits, 15 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 4 limits, 14 violations of any kind, 0 effluent exceedances.
- pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Coliform, fecal general: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Flow, total: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- October 28, 2026: Reporting Violations - Late Submittal of DMRs (ST6).
- October 28, 2026: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- October 28, 2026: Effluent Violations - Numeric effluent violation (ST6).
- October 28, 2026: Monitoring Violations - Frequency of Sampling Violation (ST6).
- October 28, 2026: Management Practice Violations - Improper Operation and Maintenance (ST6).
- October 28, 2026: Management Practice Violations - No Licensed/Certified Operator (ST6).
- October 28, 2026: Management Practice Violations - Failure to Develop/Enforce Standards (ST6).
- October 28, 2026: Management Practice Violations - Best Management Practice Deficiencies (ST6).
- October 28, 2026: Permit Violations - Violation Specified in Comment (ST6).
- October 28, 2026: Evaluation (S).
- October 28, 2026: Notice of Noncompliance Issued (State).
- April 15, 2026: Audit (S).
Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 16 were issued before IN0061239.
Coverages issued nearest IN0061239
- February 18, 2016: FORT WAYNE WWTP, Fort Wayne, IN0032191
- April 28, 2016: SILVER LAKE WWTP, Silver Lake, IN0040649
- May 11, 2016: ARCADIA WWTP, TOWN OF, Arcadia, IN0021334
- May 11, 2016: ADVANCE WWTP, TOWN OF, Advance, IN0039705
- May 11, 2016: LA OTTO REGIONAL SEWER DISTRICT, Laotto, IN0058611, held by LAOTTO REGIONAL SEWER DISTRICT
- June 17, 2016: EAST CHICAGO SANITARY DISTRICT, East Chicago, IN0022829, held by EAST CHICAGO SANITARY DISTRICT WWTP
- June 24, 2016: GARRETT WWTP, Garrett, IN0022969
- June 24, 2016: MARENGO MUNICIPAL WWTP, Marengo, IN0040291
- June 24, 2016: GREENVILLE WWTP, Greenville, IN0062553
- July 8, 2016: CLINTON MUNICIPAL WWTP, Clinton, IN0022608
LACONIA MUNICIPAL WWTP among its neighbors
EPA’s permit file holds 2 discharge permits in the Big Run-Ohio River subwatershed (HUC 051401040107), IN0061239 among them. Its county holds 43, 2 of them major permits; IN0061239 is a minor permit.
Other permits in the Big Run-Ohio River subwatershed (HUC 051401040107)
- SOUTH HARRISON WATER CORP, Laconia: IN0060313, minor permit, discharging to OHIO RIVER VIA TWO UNNAMED DITCHES, permit term to December 31, 2024
Identity
| Facility as filed | LACONIA MUNICIPAL WWTP |
|---|---|
| Permittee as filed | LACONIA MUNICIPAL WWTP |
| NPDES ID | IN0061239 |
| 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 | May 27, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | IDEM |
| Address | Laconia, IN 47135 |
| Receiving water | OHIO RIVER |
| Subwatershed | Big Run-Ohio River (HUC 051401040107) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 4With 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] | 4 | 60 | 45 | July 31, 2026 | 878% over the limit |
| E. coli, colony forming units [CFU] | 3 | 45 | 34 | July 31, 2026 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 16 | 2 | April 30, 2003 | 19% over the limit |
| Solids, suspended percent removal | 1 | 3 | 2 | July 31, 2004 | 22% over the limit |
| Number of Events | 2 | 15 | 0 | ||
| Solids, total suspended | 4 | 14 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Coliform, fecal general | 1 | 4 | 0 | ||
| Flow, total | 1 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 3 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 1 | 0 |
Inspections, violations and enforcement
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 28, 2026 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 28, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 28, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| October 28, 2026 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| October 28, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 28, 2026 | Management Practice Violations - No Licensed/Certified Operator | ST6 |
| October 28, 2026 | Management Practice Violations - Failure to Develop/Enforce Standards | ST6 |
| October 28, 2026 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| October 28, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| October 28, 2026 | Evaluation | S |
| April 15, 2026 | Audit | S |
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
| Date | What EPA recorded | Agency |
|---|---|---|
| October 28, 2026 | Notice of Noncompliance Issued | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.