Clean Water Act discharge permit · NPDES MO0132705

BCRSD MIDWAY CROSSINGS WWTF, Columbia, MO: NPDES MO0132705 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
4Pollutants with an effluent exceedance

BCRSD MIDWAY CROSSINGS WWTF, held by Boone County Regional Sewer District, holds NPDES permit MO0132705, which discharges to Tributary To Sugar Br.. EPA’s file records it issued October 22, 2018 and expiring June 30, 2020. 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	BCRSD MIDWAY CROSSINGS WWTF
Permittee as filed	Boone County Regional Sewer District
NPDES ID	MO0132705
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	October 22, 2018
Expiration date	June 30, 2020
Address	Columbia, MO 65202
Receiving water	Tributary to Sugar Br.
Subwatershed	Callahan Creek-Perche Creek (HUC 103001020708)
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

11Pollutants on file
10Under a numeric limit
5With 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
Solids, total suspended	2	9	7	March 31, 2026	287% over the limit
BOD, 5-day, 20 deg. C	2	4	2	February 28, 2025	363% over the limit
Solids, suspended percent removal	1	1	1	March 31, 2025	23% over the limit
Ammonia [as N] + unionized ammonia	0	1	1	August 31, 2011	79% over the limit
pH	2	2	0
Nitrogen, total [as N]	2	0	0
Nitrogen, ammonia total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
E. coli	2	0	0
BOD, 5-day, percent removal	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

3Single-event violations

Date	What EPA recorded	Agency
June 30, 2026	Effluent Violations - Numeric effluent violation	ST6
March 31, 2026	Effluent Violations - Numeric effluent violation	ST6
March 28, 2025	Reporting Violations - Improper/ Incorrect Reporting	ST6

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 MO0132705 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MO0132705, held by Boone County Regional Sewer District for the BCRSD MIDWAY CROSSINGS WWTF in Columbia, MO, which discharges to Tributary To Sugar Br. The permit is listed as administratively continued, with 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, and the subwatershed is Callahan Creek-Perche Creek (HUC 103001020708).