DALLAS-FT WORTH INTERNATIONAL AIRPORT BOARD

NPDES permit TX0025101 · Minor NON-POTW · effective, expires 2029-04-19 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 60 forms filed late

Last period with anything received: 2026-08-31.

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 (67)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Propylene glycol, totalDAILY MX report only all year
001Ethylene glycolDAILY MX report only all year
001Hydrocarbons, petroleumDAILY MX <= 15 mg/L all year
019BOD, 5-day, 20 deg. CDAILY MX report only all year
019Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
019pHMINIMUM >= 6 SU all year
019pHMAXIMUM <= 9 SU all year
019Oil & GreaseDAILY MX <= 15 mg/L all year
019Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L all year
019Copper, total [as Cu]DAILY MX <= 2 mg/L all year
019Zinc, total [as Zn]DAILY MX <= 6 mg/L all year
019Aluminum, total [as Al]DAILY MX report only all year
019Flow, in conduit or thru treatment plantDAILY AV report only all year
019Flow, in conduit or thru treatment plantDAILY MX report only all year
019Propylene glycol, totalDAILY MX report only all year
019Ethylene glycolDAILY MX report only all year
019Hydrocarbons, petroleumDAILY MX <= 15 mg/L all year
020BOD, 5-day, 20 deg. CDAILY MX report only all year
020Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
020pHMINIMUM >= 6 SU all year
020pHMAXIMUM <= 9 SU all year
020Oil & GreaseDAILY MX <= 15 mg/L all year
020Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L all year
020Copper, total [as Cu]DAILY MX <= 2 mg/L all year
020Zinc, total [as Zn]DAILY MX <= 6 mg/L all year
020Aluminum, total [as Al]DAILY MX report only all year
020Flow, in conduit or thru treatment plantDAILY AV report only all year
020Flow, in conduit or thru treatment plantDAILY MX report only all year
020Propylene glycol, totalDAILY MX report only all year
020Ethylene glycolDAILY MX report only all year
020Hydrocarbons, petroleumDAILY MX <= 15 mg/L all year
023BOD, 5-day, 20 deg. CDAILY MX report only all year
023Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
023pHMINIMUM >= 6 SU all year
023pHMAXIMUM <= 9 SU all year
023Oil & GreaseDAILY MX <= 15 mg/L all year
023Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L all year
023Copper, total [as Cu]DAILY MX <= 2 mg/L all year
023Zinc, total [as Zn]DAILY MX <= 6 mg/L all year
023Aluminum, total [as Al]DAILY MX report only all year
023Flow, in conduit or thru treatment plantDAILY AV report only all year
023Flow, in conduit or thru treatment plantDAILY MX report only all year
023Propylene glycol, totalDAILY MX report only all year
023Ethylene glycolDAILY MX report only all year
023Hydrocarbons, petroleumDAILY MX <= 15 mg/L all year
059BOD, 5-day, 20 deg. CDAILY MX report only all year
059Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
059pHMINIMUM >= 6 SU all year
059pHMAXIMUM <= 9 SU all year
059Oil & GreaseDAILY MX <= 15 mg/L all year
059Nitrogen, ammonia total [as N]DAILY MX <= 14.7 mg/L all year
059Copper, total [as Cu]DAILY MX <= 2 mg/L all year
059Zinc, total [as Zn]DAILY MX <= 6 mg/L all year
059Aluminum, total [as Al]DAILY MX report only all year
059Flow, in conduit or thru treatment plantDAILY AV report only all year
059Flow, in conduit or thru treatment plantDAILY MX report only all year
059Propylene glycol, totalDAILY MX report only all year
059Ethylene glycolDAILY MX report only all year
059Hydrocarbons, petroleumDAILY MX <= 15 mg/L 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