Clean Water Act discharge permit · NPDES IN0020168
NOBLESVILLE WWTP, CITY OF, Noblesville, IN: NPDES IN0020168 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NOBLESVILLE WWTP, CITY OF holds NPDES permit IN0020168, which discharges to Or/Wabash/White/W Fk White River. EPA’s file records it issued February 4, 2021 and expiring May 31, 2026. 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 | NOBLESVILLE WWTP, CITY OF |
|---|---|
| Permittee as filed | NOBLESVILLE WWTP, CITY OF |
| NPDES ID | IN0020168 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 4, 2021 |
| Expiration date | May 31, 2026 |
| Issuing agency | IDEM |
| Address | Noblesville, IN 46060 |
| Receiving water | OR/WABASH/WHITE/W FK WHITE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | William Lehr Ditch-Stony Creek (HUC 051202010704) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 26Under a numeric limit
- 10With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 3 | 5 | 5 | August 31, 2019 | 93% over the limit |
| Phosphorus, total [as P] | 2 | 5 | 5 | July 31, 2024 | 20% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 5 | 1 | August 31, 2000 | 2% over the limit |
| Solids, total suspended | 4 | 5 | 1 | July 31, 2016 | 61% over the limit |
| pH | 2 | 3 | 1 | December 31, 1999 | |
| Coliform, fecal general | 0 | 1 | 1 | July 31, 2003 | 43% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 0 | ||
| Solids, total dissolved | 0 | 2 | 0 | ||
| Number of Events | 2 | 1 | 0 | ||
| Duration | 9 | 0 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 9 | 0 | 0 | ||
| Precipitation, monthly accumulation | 9 | 0 | 0 | ||
| Discharge event observation [Visual Monitoring] | 9 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Copper, dry weight | 2 | 0 | 0 | ||
| Cadmium, dry weight | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Flow, total | 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 IN0020168.
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 IN0020168 there.
Nearby on the register
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- Every permit record in Noblesville, A to Z
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.