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Clean Water Act discharge permit · NPDES MORA26377

CALDERA HOLDING LLC, Sullivan, MO: NPDES MORA26377 discharge permit, effluent exceedances, inspections, penalties

CALDERA HOLDING LLC, held by Caldera Holding LLC, holds NPDES permit MORA26377, which discharges to Tributary To Marys Creek. EPA’s file records it issued April 24, 2024 and expiring February 7, 2027. 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.

What the register holds for CALDERA HOLDING LLC: its NPDES ID, its permit type and status, its dates, its address in Sullivan, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MORA26377.

Identity

Facility as filedCALDERA HOLDING LLC
Permittee as filedCaldera Holding LLC
NPDES IDMORA26377
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 24, 2024
Expiration dateFebruary 7, 2027
AddressSullivan, MO 63080
Receiving waterTributary to Marys Creek
SubwatershedMiddle Indian Creek (HUC 071401020602)
SIC1629 – Heavy Construction

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MORA26377.

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 MORA26377.

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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How we handle your data → Privacy

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 MORA26377 there.

Nearby on the register

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

What this page shows

Caldera Holding LLC's storm water construction permit MORA26377 is one of 19 such permits in Washington County, Missouri, and it is the only NPDES permit in the Middle Indian Creek subwatershed (HUC 071401020602). Among those 19 county permits, 31.6% were issued earlier than this one, while 10.5% carry a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances.