AUSTIN, CITY OF

NPDES permit TXS000401 · Major NON-POTW · administratively continued, expires 2023-08-15 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-08-15 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 4 forms filed late

Last period with anything received: 2025-09-30.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (106)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, dissolvedDAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001AtrazineDAILY MX report only all year
001E. coliDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Streptococci, fecal generalDAILY MX report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002pHMINIMUM report only all year
002pHMAXIMUM report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, dissolvedDAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Chloride [as Cl]DAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX report only all year
002Cadmium, total [as Cd]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Lead, total [as Pb]DAILY MX report only all year
002Silver, total [as Ag]DAILY MX report only all year
002Zinc, total [as Zn]DAILY MX report only all year
002AtrazineDAILY MX report only all year
002E. coliDAILY MX report only all year
002Solids, total dissolvedDAILY MX report only all year
002Streptococci, fecal generalDAILY MX report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHMINIMUM report only all year
003pHMAXIMUM report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Phosphorus, dissolvedDAILY MX report only all year
003Hardness, total [as CaCO3]DAILY MX report only all year
003Chloride [as Cl]DAILY MX report only all year
003Sulfate, total [as SO4]DAILY MX report only all year
003Cadmium, total [as Cd]DAILY MX report only all year
003Copper, total [as Cu]DAILY MX report only all year
003Lead, total [as Pb]DAILY MX report only all year
003Silver, total [as Ag]DAILY MX report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003AtrazineDAILY MX report only all year
003Chlordane [tech mix. and metabolites]DAILY MX report only all year
003DDD in whole water sampleDAILY MX report only all year
003DDEDAILY MX report only all year
003DDTDAILY MX report only all year
003Polychlorinated biphenyls [PCBs]DAILY MX report only all year
003E. coliDAILY MX report only all year
003Solids, total dissolvedDAILY MX report only all year
003Streptococci, fecal generalDAILY MX report only all year
004Temperature, water deg. centigradeDAILY MX report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHMINIMUM report only all year
004pHMAXIMUM report only all year
004Solids, total suspendedDAILY MX report only all year
004Oil & GreaseDAILY MX report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Nitrite + Nitrate total [as N]DAILY MX report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Phosphorus, dissolvedDAILY MX report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Chloride [as Cl]DAILY MX report only all year
004Sulfate, total [as SO4]DAILY MX report only all year
004Cadmium, total [as Cd]DAILY MX report only all year
004Copper, total [as Cu]DAILY MX report only all year
004Lead, total [as Pb]DAILY MX report only all year
004Silver, total [as Ag]DAILY MX report only all year
004Zinc, total [as Zn]DAILY MX report only all year
004AtrazineDAILY MX report only all year
004Chlordane [tech mix. and metabolites]DAILY MX report only all year
004DDD in whole water sampleDAILY MX report only all year
004DDEDAILY MX report only all year
004DDTDAILY MX report only all year
004Polychlorinated biphenyls [PCBs]DAILY MX report only all year
004E. coliDAILY MX report only all year
004Solids, total dissolvedDAILY MX report only all year
004Streptococci, fecal generalDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states