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Clean Water Act discharge permit · NPDES IA0070009

MOUNT PLEASANT CITY OF STP (EAST), Mount Pleasant, IA: NPDES IA0070009 discharge permit, effluent exceedances, inspections, penalties

MOUNT PLEASANT CITY OF STP (EAST), held by CITY OF MOUNT PLEASANT, holds NPDES permit IA0070009. EPA’s file records it issued September 1, 2018 and expiring August 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMOUNT PLEASANT CITY OF STP (EAST)
Permittee as filedCITY OF MOUNT PLEASANT
NPDES IDIA0070009
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 1, 2018
Expiration dateAugust 31, 2023
Issuing agencySTA
AddressMount Pleasant, IA 52641
SubwatershedNorth Branch Big Creek-Big Creek (HUC 070801070903)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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]966456May 31, 2023514% over the limit
Flow, in conduit or thru treatment plant02927April 30, 2013197% over the limit
BOD, carbonaceous [5 day, 20 C]4286March 31, 202373% over the limit
pH593January 31, 2014
Solids, total suspended9200
BOD, 5-day, 20 deg. C500
Nitrogen, total [as N]500
Nitrogen, Kjeldahl, total [as N]500
Phosphorus, total [as P]500

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0070009.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0070009.

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 IA0070009.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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MOUNT PLEASANT CITY OF STP (EAST), Mount Pleasant, Iowa: Individual permit IA0070009, held by CITY OF MOUNT PLEASANT; Publicly owned treatment works; Effective; issued September 1, 2018, term to August 31, 2023, by STA; Sewage Treatment Facilities.

  • Nitrogen, ammonia total [as N]: 96 limits, 64 violations of any kind, 56 effluent exceedances, latest May 31, 2023, largest 514% over the limit.
  • Flow, in conduit or thru treatment plant: 0 limits, 29 violations of any kind, 27 effluent exceedances, latest April 30, 2013, largest 197% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 28 violations of any kind, 6 effluent exceedances, latest March 31, 2023, largest 73% over the limit.
  • pH: 5 limits, 9 violations of any kind, 3 effluent exceedances, latest January 31, 2014.
  • Solids, total suspended: 9 limits, 20 violations of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 5 limits, 0 violations of any kind, 0 effluent exceedances.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 379 were issued before IA0070009. CITY OF MOUNT PLEASANT holds 3 permits in Iowa.

Other permits held by CITY OF MOUNT PLEASANT

Coverages issued nearest IA0070009

MOUNT PLEASANT CITY OF STP (EAST) among its neighbors

EPA’s permit file holds 1 discharge permits in the North Branch Big Creek-Big Creek subwatershed (HUC 070801070903), IA0070009 among them. Its county holds 9, 1 of them major permits; IA0070009 is a minor permit.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit IA0070009, held by CITY OF MOUNT PLEASANT for the MOUNT PLEASANT CITY OF STP (EAST) in Mount Pleasant, IA, with status listed as Effective and a Minor discharger class. The EPA file records the permit as issued September 1, 2018 and expiring August 31, 2023, and the page lists 9 pollutants on file, 8 under a numeric limit, 4 with an effluent exceedance, and 8 in the discharger class figure.