LONE OAK, CITY OF

NPDES permit TX0100021 · Minor POTW · administratively continued, expires 2026-08-16 · 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 2026-08-16 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

13values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (9), Chlorine, total residual (4).

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 (23)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 4 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 30 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CSINGGRAB <= 100 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY AV <= 15 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 90 mg/L all year
001Solids, total suspendedDAILY AV <= 45 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 6 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY AV report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]SINGGRAB <= 15 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]SINGGRAB report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY AV <= 3 lb/d Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY AV report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY AV <= .06 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO MIN >= 1 mg/L all year
001Chlorine, total residualMO MAX < 4 mg/L all year
001E. coli, colony forming units [CFU]DAILY AV <= 126 CFU/100mL all year
001E. coli, colony forming units [CFU]SINGGRAB <= 399 CFU/100mL all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 30 mg/L Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]SINGGRAB <= 100 mg/L Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 15 lb/d Jun, Jul, Aug, Sep

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