Clean Water Act discharge permit · NPDES TX0087190

DRILLING SPECIALTIES ALAMO PLANT, Conroe, TX: NPDES TX0087190 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
64Pollutants under a numeric limit
8Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DRILLING SPECIALTIES ALAMO PLANT, held by CHEVRON PHILLIPS CHEMICAL COMPANY LP, holds NPDES permit TX0087190, which discharges to Drain Ditch, W Fork Crystal Ck;Crystal Ck;W Fork S. EPA’s file records it issued January 31, 2017 and expiring February 28, 2022. 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	DRILLING SPECIALTIES ALAMO PLANT
Permittee as filed	CHEVRON PHILLIPS CHEMICAL COMPANY LP
NPDES ID	TX0087190
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
Issued	January 31, 2017
Expiration date	February 28, 2022
Address	Conroe, TX 77301
Receiving water	DRAIN DITCH, W FORK CRYSTAL CK;CRYSTAL CK;W FORK S
Subwatershed	Crystal Creek (HUC 120401010403)
SIC	2899 – Chemical Preparations
Other EPA IDs (FRS)	RCRA handler TXD980628051; ICIS-AIR source TX0000004833900041

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

70Pollutants on file
64Under a numeric limit
14With a violation of any kind
8With 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; the 60 with the most exceedances of 70 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, carbonaceous [5 day, 20 C]	0	41	13	November 30, 2011	99,999% over the limit
Solids, total suspended	4	41	7	December 31, 2022	112% over the limit
Oxygen demand, chem. [high level] [COD]	5	33	2	May 31, 2015	32% over the limit
Chloride [as Cl]	2	8	2	July 31, 2009	58% over the limit
E. coli	0	2	2	October 31, 2015	770% over the limit
Oil & Grease	3	13	1	August 31, 2008	13% over the limit
Chlorine, total residual	0	11	1	July 31, 2010	30% over the limit
Oxygen, dissolved [DO]	0	4	1	June 30, 2010	13% over the limit
Aluminum, total [as Al]	0	22	0
pH	4	20	0
Flow, in conduit or thru treatment plant	4	12	0
Nitrogen, ammonia total [as N]	0	12	0
Sulfate, total [as SO4]	2	8	0
BOD, 5-day, 20 deg. C	4	4	0
Hexachlorobenzene	4	0	0
Carbon tetrachloride	2	0	0
1,2-Dichloroethane	2	0	0
Chloroform	2	0	0
Toluene	2	0	0
Benzene	2	0	0
Acenaphthylene	2	0	0
Acenaphthene	2	0	0
Acrylonitrile	2	0	0
Anthracene	2	0	0
Benzo[k]fluoranthene	2	0	0
Benzo[a]pyrene	2	0	0
Chlorobenzene	2	0	0
Chrysene	2	0	0
Diethyl phthalate	2	0	0
Dimethyl phthalate	2	0	0
Ethylbenzene	2	0	0
Fluoranthene	2	0	0
Fluorene	2	0	0
Hexachlorobutadiene	2	0	0
Hexachloroethane	2	0	0
Methyl chloride [Chloromethane]	2	0	0
Methylene chloride	2	0	0
Nitrobenzene	2	0	0
Phenanthrene	2	0	0
Pyrene	2	0	0
Tetrachloroethylene	2	0	0
1,1-Dichloroethane	2	0	0
1,1-Dichloroethylene	2	0	0
1,1,1-Trichloroethane	2	0	0
1,1,2-Trichloroethane	2	0	0
Benzo[a]anthracene	2	0	0
1,2-Dichlorobenzene	2	0	0
1,2-Dichloropropane	2	0	0
trans-1,2-Dichloroethylene	2	0	0
1,2,4-Trichlorobenzene	2	0	0
1,3-Dichlorobenzene	2	0	0
1,4-Dichlorobenzene	2	0	0
2-Chlorophenol	2	0	0
2-Nitrophenol	2	0	0
2,4-Dichlorophenol	2	0	0
2,4-Dimethylphenol	2	0	0
2,4-Dinitrotoluene	2	0	0
2,4-Dinitrophenol	2	0	0
2,6-Dinitrotoluene	2	0	0
4-Nitrophenol	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 TX0087190.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0087190.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TX0087190.

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

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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 TX0087190 there.

Nearby on the register

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

This public-records page covers NPDES permit TX0087190 for DRILLING SPECIALTIES ALAMO PLANT in Conroe, TX, held by CHEVRON PHILLIPS CHEMICAL COMPANY LP and discharging to Drain Ditch, W Fork Crystal Ck, Crystal Ck and W Fork S, within the Crystal Creek subwatershed (HUC 120401010403). The permit is administratively continued and classed as a Minor Discharger, with 64 pollutants under a numeric limit and 8 pollutants with an effluent exceedance.