Clean Water Act discharge permit · NPDES MO0100749

VALLE LAKE SEWER DISTRICT WWTP, De Soto, MO: NPDES MO0100749 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
15Pollutants under a numeric limit
5Pollutants with an effluent exceedance

VALLE LAKE SEWER DISTRICT WWTP, held by Valle Lake Sewer District of Jeff Co, holds NPDES permit MO0100749, which discharges to Joachim Cr.. EPA’s file records it issued April 24, 2013 and expiring June 30, 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 filed	VALLE LAKE SEWER DISTRICT WWTP
Permittee as filed	Valle Lake Sewer District of Jeff Co
NPDES ID	MO0100749
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	April 24, 2013
Expiration date	June 30, 2017
Issuing agency	MODNR-Water Protection Program
Address	De Soto, MO 63020
Receiving water	Joachim Cr.
Subwatershed	Upper Joachim Creek (HUC 071401010801)
SIC	4952 – 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

18Pollutants on file
15Under a numeric limit
12With a violation of any kind
5With 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
E. coli	0	5	5	July 31, 2021	1,195% over the limit
Nitrogen, ammonia total [as N]	8	7	3	January 31, 2018	378% over the limit
Solids, total suspended	2	22	2	February 29, 2012	153% over the limit
pH	2	19	1	August 31, 2007
Pass/Fail Static 48Hr Acute Ceriodaphnia dubia	1	1	1	April 30, 2017
BOD, 5-day, 20 deg. C	2	18	0
Flow, in conduit or thru treatment plant	2	6	0
Oil and grease [soxhlet extr.] tot.	2	4	0
Nitrogen, total [as N]	2	4	0
Phosphorus, total [as P]	2	4	0
BOD, 5-day, percent removal	0	3	0
Solids, suspended percent removal	0	3	0
Nitrogen, nitrite total [as N]	2	0	0
Nitrogen, nitrate total [as N]	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Nitrogen, total Kjeldahl	2	0	0
E. coli, colony forming units [CFU]	2	0	0
LC50 Static 48Hr Acute Pimephales promelas	1	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 MO0100749.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0100749.

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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 MO0100749 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES MO0100749 for the VALLE LAKE SEWER DISTRICT WWTP in De Soto, MO, held by Valle Lake Sewer District of Jeff Co, which discharges to Joachim Cr. The permit is listed as Effective and a Minor Discharger class, with 15 pollutants under a numeric limit and 5 pollutants with an effluent exceedance. The facts list the permit as issued April 24, 2013 and expiring June 30, 2017, as the file stood on October 14, 2026.