Clean Water Act discharge permit · NPDES TX0142212

MONTGOMERY COUNTY MUD NO 199 WWTP, Magnolia, TX: NPDES TX0142212 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
1Pollutants with an effluent exceedance

MONTGOMERY COUNTY MUD NO 199 WWTP, held by MONTGOMERY COUNTY MUD NO 199, holds NPDES permit TX0142212, which discharges to Spring. EPA’s file records it issued February 27, 2023 and expiring February 27, 2028. 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	MONTGOMERY COUNTY MUD NO 199 WWTP
Permittee as filed	MONTGOMERY COUNTY MUD NO 199
NPDES ID	TX0142212
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	February 27, 2023
Expiration date	February 27, 2028
Address	Magnolia, TX 77355
Receiving water	SPRING
Subwatershed	Sugar Creek-Spring Creek (HUC 120401020205)

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

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
1With a violation of any kind
1With 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	6	2	2	May 31, 2024	85% over the limit
Nitrogen, ammonia total [as N]	6	0	0
BOD, carbonaceous [5 day, 20 C]	6	0	0
Flow, in conduit or thru treatment plant	4	0	0
pH	2	0	0
Chlorine, total residual	2	0	0
E. coli	2	0	0
Oxygen, dissolved [DO]	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 TX0142212.

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, TX0142212.

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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 TX0142212 there.

Nearby on the register

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

This public-records page covers NPDES permit TX0142212, held by MONTGOMERY COUNTY MUD NO 199 for its MONTGOMERY COUNTY MUD NO 199 WWTP in Magnolia, TX, which discharges to SPRING within the Sugar Creek-Spring Creek subwatershed (HUC 120401020205). The permit is listed as Effective with a Minor discharger class and an expiration date of February 27, 2028, and the page reports 8 pollutants on file, 8 under a numeric limit, 1 with a violation of any kind, and 1 with an effluent exceedance.