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Clean Water Act discharge permit · NPDES IA0067555

IOWA DOT REST AREA #19 I35 STORY CITY, Story City, IA: NPDES IA0067555 discharge permit, effluent exceedances, inspections, penalties

IOWA DOT REST AREA #19 I35 STORY CITY, held by IOWA DEPT. OF TRANSPORTATION, holds NPDES permit IA0067555. EPA’s file records it issued August 1, 2012 and expiring July 31, 2017. 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 filedIOWA DOT REST AREA #19 I35 STORY CITY
Permittee as filedIOWA DEPT. OF TRANSPORTATION
NPDES IDIA0067555
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 1, 2012
Expiration dateJuly 31, 2017
Issuing agencySTA
AddressStory City, IA 50010
SubwatershedCity of Ames-South Skunk River (HUC 070801050406)
NAICS488490 – Other Support Activities for Road Transportation
SIC4959 – Sanitary Services

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
BOD, carbonaceous [5 day, 20 C]511April 30, 20192% over the limit
Solids, total suspended500
Nitrogen, ammonia total [as N]500
E. coli300
Depth of pond or reservoir in feet300
pH200

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 IA0067555.

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.

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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 IA0067555 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES IA0067555, held by the Iowa Department of Transportation for the Iowa DOT Rest Area #19 I35 facility in Story City, IA, which is administratively continued. The page lists 6 for the discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance. Status and dates reflect EPA's permit file as loaded on October 14, 2026.