PORTLAND WATER DISTRICT

NPDES permit MEU508276 · Minor POTW · effective, expires 2028-05-31 · 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
80required values missing, on 17 form(s)
19of 19 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (36)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Nitrogen, nitrate total [as N]DAILY MX <= 10 mg/L all year
001Phosphorus, total [as P]DAILY MX <= .1 mg/L all year
001Arsenic, total [as As]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Application rate, gallons spray irrigationMO AVG report only all year
001Application rate, gallons spray irrigationDAILY MX <= 432000 gal all year
001Application rate, gallons spray irrigationANNL AVG <= 154000 gal Dec
GMWTemperature, water deg. centigradeDAILY MX report only May, Oct
GMWTemperature, water deg. centigradeDAILY MX report only May, Oct
GMWTemperature, water deg. centigradeDAILY MX report only May, Oct
GMWSpecific conductanceDAILY MX report only May, Oct
GMWSpecific conductanceDAILY MX report only May, Oct
GMWSpecific conductanceDAILY MX report only May, Oct
GMWpHDAILY MX report only May, Oct
GMWpHDAILY MX report only May, Oct
GMWpHDAILY MX report only May, Oct
GMWSolids, total suspendedDAILY MX report only May, Oct
GMWSolids, total suspendedDAILY MX report only May, Oct
GMWSolids, total suspendedDAILY MX report only May, Oct
GMWNitrogen, nitrate total [as N]DAILY MX report only May, Oct
GMWNitrogen, nitrate total [as N]DAILY MX report only May, Oct
GMWNitrogen, nitrate total [as N]DAILY MX report only May, Oct
GMWPhosphorus, total [as P]DAILY MX report only May, Oct
GMWPhosphorus, total [as P]DAILY MX report only May, Oct
GMWPhosphorus, total [as P]DAILY MX report only May, Oct
GMWDepth to water level ft below landsurfaceDAILY MX report only Mar, Jun, Sep, Dec
GMWDepth to water level ft below landsurfaceDAILY MX report only Mar, Jun, Sep, Dec
GMWDepth to water level ft below landsurfaceDAILY MX report only Mar, Jun, Sep, 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