U.S. General Services Administration

NPDES permit CO0035033 · Minor FEDERAL · effective, expires 2030-12-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 25 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (35)

OutfallParameterStatisticLimitMonths
001ATemperature, water deg. centigrade30DA AVG report only all year
001ATemperature, water deg. centigradeDAILY MX report only all year
001ApHMINIMUM >= 6.5 SU all year
001ApHMAXIMUM <= 9 SU all year
001ASolids, total suspended30DA AVG <= 30 mg/L all year
001ASolids, total suspendedDAILY MX report only all year
001AOil & GreaseDAILY MX <= 10 mg/L all year
001APhosphorus, total [as P]30DA AVG report only all year
001APhosphorus, total [as P]DAILY MX report only all year
001ASelenium, potentially dissolvd30DA AVG report only all year
001ASelenium, potentially dissolvdDAILY MX report only all year
001ABenzene, ethylbenzene, toluene, xylene combination30DA AVG report only all year
001ABenzene, ethylbenzene, toluene, xylene combinationDAILY MX report only all year
001ABenzene30DA AVG report only all year
001ABenzeneDAILY MX report only all year
001A1,1-Dichloroethane30DA AVG report only all year
001A1,1-DichloroethaneDAILY MX report only all year
001A1,1,1-Trichloroethane30DA AVG <= 200 ug/L all year
001A1,1,1-TrichloroethaneDAILY MX report only all year
001AVinyl chloride30DA AVG <= 2 ug/L all year
001AVinyl chlorideDAILY MX report only all year
001A1,1-Dichloroethene30DA AVG <= 7 ug/L all year
001A1,1-DichloroetheneDAILY MX report only all year
001AFlow rate30DA AVG <= .043 MGD all year
001AFlow rateDAILY MX <= .072 MGD all year
001ATrichloroethene30DA AVG <= 5 ug/L all year
001ATrichloroetheneDAILY MX report only all year
001Acis-1,2-Dichloroethene30DA AVG <= 70 ug/L all year
001Acis-1,2-DichloroetheneDAILY MX report only all year
001A1,4-Dioxane30DA AVG report only all year
001A1,4-DioxaneDAILY MX report only all year
001AOil and grease visualINST MAX <= 0 N=0;Y=1 all year
001APass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubiaINST MAX report only all year
001APass/Fail Static Renewal 96Hr Acute Pimephales PromelasINST MAX report only all year
RW011,4-DioxaneAH report only Apr, May, Jun, Oct, Nov, Dec

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