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Clean Water Act discharge permit · NPDES MO0124044

LHOIST NORTH AMERICA OF MISSOURI INC, Ste. Genevieve, MO: NPDES MO0124044 discharge permit, effluent exceedances, inspections, penalties

LHOIST NORTH AMERICA OF MISSOURI INC, held by CHEMICAL LIME COMPANY, holds NPDES permit MO0124044, which discharges to Mississippi R.. EPA’s file records it issued October 19, 2007 and expiring October 18, 2012. 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 filedLHOIST NORTH AMERICA OF MISSOURI INC
Permittee as filedCHEMICAL LIME COMPANY
NPDES IDMO0124044
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 19, 2007
Expiration dateOctober 18, 2012
Issuing agencyMODNR-Water Protection Program
AddressSte. Genevieve, MO 63070
Receiving waterMississippi R.
SubwatershedMoro Island-Mississippi River (HUC 071401010910)
SIC3274 – Lime
Other EPA IDs (FRS)ICIS-AIR source MO0000002918600035

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Oil and grease [soxhlet extr.] tot.463February 29, 2008150% over the limit
Solids, total suspended433May 31, 2006181% over the limit
LC50 Static 48Hr Acute Ceriodaphnia dubia2101January 31, 200899,999% over the limit
LC50 Static 48Hr Acute Pimephales promelas2101January 31, 200899,999% over the limit
pH411September 30, 2002
Pass/Fail Static 48Hr Acute Ceriodaphnia dubia120
LC50 Static 48Hr Acute Pimephales promelas120
Flow, in conduit or thru treatment plant400
Nitrogen, nitrate total [as N]200

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 MO0124044.

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 MO0124044 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 NPDES permit MO0124044, held by CHEMICAL LIME COMPANY for LHOIST NORTH AMERICA OF MISSOURI INC in Ste. Genevieve, MO, and lists it as a Major Discharger with 9 pollutants under a numeric limit and 5 pollutants with an effluent exceedance. The permit is shown as administratively continued, with its subwatershed given as Moro Island-Mississippi River (HUC 071401010910).