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Clean Water Act discharge permit · NPDES NE0129500

DILLER WASTEWATER TREATMENT FACILITY, Diller, NE: NPDES NE0129500 discharge permit, effluent exceedances, inspections, penalties

DILLER WASTEWATER TREATMENT FACILITY, held by DILLER WWTF, holds NPDES permit NE0129500. EPA’s file records it issued September 19, 2017 and expiring September 30, 2022.

DILLER WASTEWATER TREATMENT FACILITY, Diller, Nebraska: Individual permit NE0129500, held by DILLER WWTF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 19, 2017, term to September 30, 2022.

  • Nitrogen, ammonia total [as N]: 12 limits, 255 violations of any kind, 27 effluent exceedances, latest February 28, 2026, largest 35,938% over the limit.
  • BOD, 5-day, 20 deg. C: 5 limits, 77 violations of any kind, 4 effluent exceedances, latest February 28, 2026, largest 20% over the limit.
  • Solids, total suspended: 5 limits, 207 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [5 day, 20 C]: 0 limits, 134 violations of any kind, 0 effluent exceedances.
  • pH: 3 limits, 125 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 3 limits, 119 violations of any kind, 0 effluent exceedances.
  • Duration of discharge: 1 limit, 57 violations of any kind, 0 effluent exceedances.
  • Flow, total: 1 limit, 41 violations of any kind, 0 effluent exceedances.
  • Temperature, water deg. fahrenheit: 2 limits, 36 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 2 limits, 36 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 36 violations of any kind, 0 effluent exceedances.
  • E. coli, MTEC-MF: 2 limits, 30 violations of any kind, 0 effluent exceedances.
  • Oxygen, dissolved [DO]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
  • Atrazine: 2 limits, 0 violations of any kind, 0 effluent exceedances.

Nebraska holds 254 Publicly owned treatment works coverages of this permit type in EPA’s file; 117 were issued before NE0129500.

Coverages issued nearest NE0129500

DILLER WASTEWATER TREATMENT FACILITY among its neighbors

EPA’s permit file holds 3 discharge permits in the Upper Big Indian Creek subwatershed (HUC 102702020502), NE0129500 among them. Its county holds 10, 1 of them major permits; NE0129500 is a minor permit.

Other permits in the Upper Big Indian Creek subwatershed (HUC 102702020502)

Identity

Facility as filedDILLER WASTEWATER TREATMENT FACILITY
Permittee as filedDILLER WWTF
NPDES IDNE0129500
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 19, 2017
Expiration dateSeptember 30, 2022
AddressDiller, NE 68342
SubwatershedUpper Big Indian Creek (HUC 102702020502)

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]1225527February 28, 202635,938% over the limit
BOD, 5-day, 20 deg. C5774February 28, 202620% over the limit
Solids, total suspended52070
BOD, carbonaceous [5 day, 20 C]01340
pH31250
Flow, in conduit or thru treatment plant31190
Duration of discharge1570
Flow, total1410
Temperature, water deg. fahrenheit2360
Nitrogen, total [as N]2360
Phosphorus, total [as P]2360
E. coli, MTEC-MF2300
Oxygen, dissolved [DO]0160
Atrazine200

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NE0129500.

Inspections

EPA’s inspection file holds no inspection for NPDES NE0129500.

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 NE0129500.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES NE0129500 for DILLER WASTEWATER TREATMENT FACILITY in Diller, NE, which is administratively continued and classed as a minor discharger. The page lists 14 pollutants on file, 12 under a numeric limit, and 2 with an effluent exceedance.