PacifiCorp Swift No 1 Hydroelectric Project

NPDES permit WA0041157 · Minor NON-POTW · effective, expires 2029-02-28 · 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
190required values missing, on 30 form(s)
0of 74 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (52)

OutfallParameterStatisticLimitMonths
011Temperature, water deg. centigradeDAILY MX report only (alert) all year
011Temperature, water deg. centigradeMO AVG report only (alert) all year
011pHDAILY MN >= 6.5 SU all year
011pHDAILY MX <= 8.5 SU all year
011FlowDAILY MX report only (alert) all year
011FlowMO AVG report only (alert) all year
012Temperature, water deg. centigradeSingle Rdg report only (alert) all year
012pHDAILY MN >= 6.5 SU all year
012pHDAILY MX <= 8.5 SU all year
012FlowDAILY MX report only (alert) all year
012FlowMO AVG report only (alert) all year
013Temperature, water deg. centigradeDAILY MX report only (alert) all year
013Temperature, water deg. centigradeMO AVG report only (alert) all year
013pHDAILY MN >= 6.5 SU all year
013pHDAILY MX <= 8.5 SU all year
013FlowDAILY MX report only (alert) all year
013FlowMO AVG report only (alert) all year
DWSTemperature, water deg. centigradeDAILY MX report only (alert) all year
DWSTemperature, water deg. centigradeMO AVG report only (alert) all year
DWSpHDAILY MN >= 6.5 SU all year
DWSpHDAILY MX <= 8.5 SU all year
DWSOil and grease [soxhlet extr.] tot.MO AVG report only all year
DWSCyanide, total [as CN]Single Rdg report only all year
DWSArsenic, total [as As]Single Rdg report only all year
DWSBeryllium, total [as Be]Single Rdg report only all year
DWSCadmium, total [as Cd]Single Rdg report only all year
DWSChromium, total [as Cr]Single Rdg report only all year
DWSCopper, total [as Cu]Single Rdg report only all year
DWSLead, total [as Pb]Single Rdg report only all year
DWSThallium, total [as Tl]Single Rdg report only all year
DWSNickel, total [as Ni]Single Rdg report only all year
DWSSilver, total [as Ag]Single Rdg report only all year
DWSZinc, total [as Zn]Single Rdg report only all year
DWSAntimony, total [as Sb]Single Rdg report only all year
DWSSelenium, total [as Se]Single Rdg report only all year
DWSChromium, hexavalent dissolved [as Cr]Single Rdg report only all year
DWSTotal phenolsSingle Rdg report only all year
DWSPolychlorinated biphenyls [PCBs]Single Rdg report only all year
DWSOil & grease, non-polar materialMO AVG report only (alert) all year
DWSMercury, total [as Hg]Single Rdg report only all year
DWSFlowDAILY MX report only (alert) all year
DWSFlowMO AVG report only (alert) all year
OWSOil and grease [soxhlet extr.] tot.DAILY MX report only (alert) all year
OWSOil and grease [soxhlet extr.] tot.MO AVG report only (alert) all year
PHSTemperature, water deg. centigradeDAILY MX report only (alert) all year
PHSTemperature, water deg. centigradeMO AVG report only (alert) all year
PHSpHDAILY MN >= 6.5 SU all year
PHSpHDAILY MX <= 8.5 SU all year
PHSOil and grease [soxhlet extr.] tot.MO AVG report only all year
PHSOil & grease, non-polar materialMO AVG report only (alert) all year
PHSFlowDAILY MX report only (alert) all year
PHSFlowMO AVG report only (alert) 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