NPDES IN0058475 · Clean Water Act
NATURE WORKS CONSERVANCY DISTRICT, Valparaiso, IN: NPDES IN0058475 discharge permit, effluent exceedances, inspections, penalties
NATURE WORKS CONSERVANCY DISTRICT, Valparaiso, Indiana: Individual permit IN0058475; Publicly owned treatment works; Administratively continued; issued July 31, 2017, term to July 31, 2022, by IDEM; discharges to UNNAMED TRIB TO CLARK DITCH.
1 of the 13 pollutants listed for NPDES IN0058475 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 8 limits, 59 violations of any kind, 21 effluent exceedances, latest June 30, 2015, largest 1,067% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 8 limits, 47 violations of any kind, 3 effluent exceedances, latest August 31, 2001, largest 25% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 4 violations of any kind, 3 effluent exceedances, latest October 31, 2023, largest 423% over the limit.
- E. coli, MTEC-MF: 0 limits, 4 violations of any kind, 2 effluent exceedances, latest April 30, 1997, largest 99,999% over the limit.
- Solids, total suspended: 8 limits, 42 violations of any kind, 1 effluent exceedance, latest December 31, 1998, largest 7,919% over the limit.
- pH: 2 limits, 21 violations of any kind, 1 effluent exceedance, latest September 30, 2004.
- Flow, in conduit or thru treatment plant: 1 limit, 22 violations of any kind.
- Phosphorus, total [as P]: 1 limit, 12 violations of any kind.
- Oxygen, dissolved [DO]: 2 limits, 10 violations of any kind.
- Ultraviolet light intensity: 0 limits, 9 violations of any kind.
- Flow, wastewater by-passing trtmnt plant: 0 limits, 5 violations of any kind.
- Number of Events: 2 limits, 1 violation of any kind.
- Flow, total: 1 limit.
- February 17, 2026: Evaluation (S).
Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 108 were issued before IN0058475.
Coverages issued nearest IN0058475
- 2017-06-30: TRI-LAKES REGIONAL SEWER DISTRICT, Whitley County: IN0055166
- 2017-06-30: WASHINGTON TOWNSHIP RSD, New Washington: IN0109533
- 2017-07-21: TIPPECANOE RIVER STATE PARK, Winamac: IN0050652
- 2017-07-21: STARVE HOLLOW STATE RECREATIONAL, Vallonia: IN0051331
- 2017-07-21: CHESTERFIELD WWTP, Chesterfield: IN0063983
- 2017-08-01: AQUA INDIANA, INC. - MIDWEST FACILITY, Fort Wayne: IN0042391, held by AQUA INDIANA INC MIDWEST WWTP
- 2017-08-01: FREELANDVILLE REGIONAL SEWER DISTRICT, Freelandville: IN0064513, held by FREELANDVILLE RSD WWTP
- 2017-08-04: CRANE DIV., NAVAL SURFACE WARFARE CTR, Crane: IN0021539, held by CRANE DIVISION, NAVAL SURFACE WARFARE CENTER
- 2017-08-04: ORLEANS MUNICIPAL WWTP, Orleans: IN0021601, held by ORLEANS WWTP
- 2017-08-04: PAOLI MUNICIPAL WWTP, Paoli: IN0024023
NATURE WORKS CONSERVANCY DISTRICT among its neighbors
21 discharge permits are in the Clark Ditch-Salt Creek subwatershed (HUC 040400010302); IN0058475 is one. Its county: 88, 7 major; IN0058475 is minor permit.
Other permits in the Clark Ditch-Salt Creek subwatershed (HUC 040400010302)
- EVAN AND CHRISTINA COSTAS RESIDENTIAL HOME, Valparaiso: INRA09791, minor, term to 2027-05-24
- G.E. MARSHALL YARD EXPANSION, Valparaiso: INRA16938, minor, term to 2030-10-05
- HATCH LAKE, Valparaiso: INRA09331, minor, term to 2027-03-16
- HOP N STOP MINI MART, Valparaiso: ING080200, minor, term to 2009-03-31
- IN DOT DES. 1701335 US 30 SMALL STRUCTURE REPLACEMENT, Valparaiso: INRA18335, minor, term to 2031-06-17
- LOT 1 GRATEFUL FIELDS, Valparaiso: INRA14539, minor, term to 2029-08-27
- LOT 1 TRAILBEND FARMS, Valparaiso: INRA13016, minor, term to 2028-12-19
- MERIDIAN WOODS EXTENSION, Valparaiso: INRA16433, minor, term to 2030-07-15
- METRO AUTO PARTS, Valparaiso: INRM00293, minor, term to 2023-03-24
- O'BRIEN ESTATES, Valparaiso: INRA14881, minor, term to 2029-10-23
Identity
| Facility | NATURE WORKS CONSERVANCY DISTRICT |
|---|---|
| Permittee | NATURE WORKS CONSERVANCY DISTRICT |
| NPDES ID | IN0058475 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 31, 2017 |
| Expires | July 31, 2022 |
| Agency | IDEM |
| Address | Valparaiso, IN 46383 |
| Receiving water | UNNAMED TRIB TO CLARK DITCH |
| Subwatershed | Clark Ditch-Salt Creek (HUC 040400010302) |
| SIC | 4952 – Sewerage Systems |
NPDES IN0058475: effluent limits and exceedances
NATURE WORKS CONSERVANCY DISTRICT (NPDES IN0058475): 13 pollutants on file, 10 limited; 12 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 59 | 21 | June 30, 2015 | 1,067% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 47 | 3 | August 31, 2001 | 25% over the limit |
| E. coli, colony forming units [CFU] | 3 | 4 | 3 | October 31, 2023 | 423% over the limit |
| E. coli, MTEC-MF | 0 | 4 | 2 | April 30, 1997 | 99,999% over the limit |
| Solids, total suspended | 8 | 42 | 1 | December 31, 1998 | 7,919% over the limit |
| pH | 2 | 21 | 1 | September 30, 2004 | |
| Flow, in conduit or thru treatment plant | 1 | 22 | 0 | ||
| Phosphorus, total [as P] | 1 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 10 | 0 | ||
| Ultraviolet light intensity | 0 | 9 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 5 | 0 | ||
| Number of Events | 2 | 1 | 0 | ||
| Flow, total | 1 | 0 | 0 |
NPDES IN0058475: inspections, violations and enforcement
NPDES IN0058475: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| February 17, 2026 | Evaluation | S |
NPDES IN0058475 (NATURE WORKS CONSERVANCY DISTRICT): no single-event violation, formal enforcement action and informal enforcement action on file.
Watch NPDES IN0058475
NPDES IN0058475: one email when its EPA record changes — $99/month.
Permits near NPDES IN0058475
NPDES IN0058475: 13 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.