Clean Water Act discharge permit · NPDES TXS000201

CITY OF AMARILLO MS4, Amarillo, TX: NPDES TXS000201 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
21Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CITY OF AMARILLO MS4, held by AMARILLO, CITY OF, holds NPDES permit TXS000201. EPA’s file records it issued April 29, 2014 and expiring April 29, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CITY OF AMARILLO MS4
Permittee as filed	AMARILLO, CITY OF
NPDES ID	TXS000201
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Program	Large municipal storm sewer systems
Issued	April 29, 2014
Expiration date	April 29, 2019
Address	Amarillo, TX 79105
Subwatershed	Upper East Amarillo Creek (HUC 110901050402)

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

Effluent limits and exceedances

24Pollutants on file
21Under a numeric limit
24With a violation of any kind
0With 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
Temperature, water deg. centigrade	10	108
Hardness, total [as CaCO3]	10	108
pH	20	96
BOD, 5-day, 20 deg. C	10	79
Oil & Grease	10	79
Oxygen demand, chem. [high level] [COD]	10	78
Solids, total suspended	10	78
Nitrogen, total [as N]	10	78
Nitrogen, Kjeldahl, total [as N]	10	78
Nitrite + Nitrate total [as N]	10	78
Phosphorus, total [as P]	10	78
Phosphorus, dissolved	10	78
Copper, total [as Cu]	10	78
Lead, total [as Pb]	10	78
Zinc, total [as Zn]	10	78
Solids, total dissolved	10	78
Nickel, total [as Ni]	10	77
Phenolics, total recoverable	10	73
Cadmium, total [as Cd]	10	72
Fecal streptococci, MF m-enterococcus ag	0	71
Diazinon	0	71
Coliform, fecal general	0	60
E. coli	10	18
Atrazine	10	7

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXS000201.

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 TXS000201.

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, TXS000201.

Start the watch

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 TXS000201 there.

Nearby on the register

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