Clean Water Act discharge permit · NPDES MO0122718

MILL SPRING CHIP PLANT, Mill Spring, MO: NPDES MO0122718 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
4Pollutants with an effluent exceedance

MILL SPRING CHIP PLANT, held by DOMTAR PAPER COMPANY LLC, holds NPDES permit MO0122718, which discharges to Black R.. EPA’s file records it issued March 2, 2007 and expiring March 1, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MILL SPRING CHIP PLANT
Permittee as filed	DOMTAR PAPER COMPANY LLC
NPDES ID	MO0122718
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	March 2, 2007
Expiration date	March 1, 2012
Issuing agency	MODNR-Southeast Regional Office
Address	Mill Spring, MO 63952
Receiving water	Black R.
Receiving water impaired	303(D) Listed
Subwatershed	Mill Creek-Black River (HUC 110100070605)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

14Pollutants on file
12Under a numeric limit
9With a violation of any kind
4With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Oxygen demand, chem. [high level] [COD]	2	6	4	June 30, 2014	96% over the limit
Solids, total suspended	2	6	4	June 30, 2013	106% over the limit
pH	2	3	1	June 30, 2008
Oil and grease [soxhlet extr.] tot.	2	3	1	December 31, 2006	150% over the limit
Phenol	2	2	0
Rainfall	2	2	0
Flow, in conduit or thru treatment plant	2	2	0
Aluminum, total recoverable	0	2	0
Ammonia [as N] + unionized ammonia	0	2	0
Color [PT-CO units]	2	0	0
Solids, settleable	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Nitrite + Nitrate total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0122718.

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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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 MO0122718 there.

Nearby on the register

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