Usdoi Fish & Wildlife - Willow Beach National Fish Hatchery

NPDES permit AZ0000132 · Minor FEDERAL · expired, expires 2026-04-27 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-04-27 and is expired: 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

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

Last period with anything received: 2026-08-31.

Reporting

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

Limits in force (19)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001pHMINIMUM report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM report only all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspendedDAILY MX <= 15 mg/L all year
001Solids, total suspendedMO AVG <= 330 kg/d all year
001Solids, total suspendedDAILY MX <= 490 kg/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX 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
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX 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