Washington County Department of Water Quality

NPDES permit MD0067784 · 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

2values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MD permits in EPA's filings — check your permit).

Limits in force (62)

OutfallParameterStatisticLimitMonths
001TurbidityMINIMUM report only all year
001TurbidityMINIMUM report only all year
001TurbidityMO AVG report only all year
001TurbidityMO AVG report only all year
001TurbidityMAXIMUM report only all year
001TurbidityMAXIMUM report only all year
001TurbidityMAXIMUM <= 150 NTU all year
001pHMINIMUM >= 6.5 SU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 20 mg/L all year
001Solids, total suspendedMX MO AV <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Manganese, total [as Mn]MO AVG report only all year
001Manganese, total [as Mn]MO MAX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Aluminum, total recoverableMX MO AV <= 4 mg/L all year
001Aluminum, total recoverableMX MO AV <= 4 mg/L all year
001Aluminum, total recoverableDAILY MX <= 6 mg/L all year
001Aluminum, total recoverableDAILY MX <= 6 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMAXIMUM <= .1 mg/L all year
001Chlorine, total residualMAXIMUM <= .1 mg/L all year
001Flow, dischargeMAXIMUM report only all year
001Flow, dischargeMAXIMUM report only all year
002TurbidityMINIMUM report only all year
002TurbidityMINIMUM report only all year
002TurbidityMO AVG report only all year
002TurbidityMO AVG report only all year
002TurbidityMAXIMUM report only all year
002TurbidityMAXIMUM report only all year
002TurbidityMAXIMUM < 150 NTU all year
002pHMINIMUM >= 6.5 SU all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMX MO AV <= 20 mg/L all year
002Solids, total suspendedMX MO AV <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Manganese, total [as Mn]MO AVG report only all year
002Manganese, total [as Mn]MO AVG report only all year
002Manganese, total [as Mn]DAILY MX report only all year
002Manganese, total [as Mn]DAILY MX report only all year
002Aluminum, total recoverableMX MO AV <= 4 mg/L all year
002Aluminum, total recoverableMX MO AV <= 4 mg/L all year
002Aluminum, total recoverableDAILY MX <= 6 mg/L all year
002Aluminum, total recoverableDAILY MX <= 6 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMAXIMUM <= .1 mg/L all year
002Chlorine, total residualMAXIMUM <= .1 mg/L all year
002Flow, dischargeMAXIMUM report only all year
002Flow, dischargeMAXIMUM 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