Arkansas Department of Transportation (ARDOT) - Gurdon Rest Area

NPDES permit AR0044270 · Minor NON-POTW · effective, expires 2027-09-30 · 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.

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

16values over a limit
0required values missing, on 0 form(s)
34of 38 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (6), Oxygen, dissolved [DO] (4), Chlorine, total residual (3).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (50)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Oxygen, dissolved [DO]INST MIN >= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 1.9 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 2.8 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 1.9 lb/d all year
001Solids, total suspendedDAILY MX <= 2.8 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 10.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= .4 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= .7 lb/d May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MIN >= .011 mg/L all year
001Coliform, fecal general30DA GEO <= 1000 #/100mL all year
001Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= .9 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1.4 lb/d May, Jun, Jul, Aug, Sep, Oct
002Oxygen, dissolved [DO]INST MIN >= 5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Oxygen, dissolved [DO]INST MIN >= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002BOD, 5-day, 20 deg. CDAILY MX <= 40 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 1.9 lb/d Jan, Feb, Mar, Apr, Nov, Dec
002BOD, 5-day, 20 deg. CDAILY MX <= 2.5 lb/d Jan, Feb, Mar, Apr, Nov, Dec
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 1.9 lb/d all year
002Solids, total suspendedDAILY MX <= 2.8 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 7 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]DAILY MX <= 10.5 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= .4 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]DAILY MX <= .7 lb/d May, Jun, Jul, Aug, Sep, Oct
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualINST MAX <= .011 mg/L all year
002Coliform, fecal general30DA GEO <= 1000 #/100mL all year
002Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]MO AVG <= .9 lb/d May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1.4 lb/d May, Jun, Jul, Aug, Sep, Oct

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