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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 06599800 Perry Creek near Merrill, IA


Plymouth County, Iowa
Hydrologic Unit Code 10230001
Latitude  42°43'15", Longitude  96°20'33" NAD27
Drainage area 8.17  square miles
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
112015-06-16 13:53CDTYesJACUSGS7.432.69 GoodClearNONE
102004-03-05 11:20CSTYesRLK/MJNUSGS61.96.060.000.30PoorClearNONE
91996-06-21 10:15CDTYesPDL/NRNUSGS41.14.74-0.220.60FairClearNONE
81992-10-08 16:15CDTYesRLKUSGS72.05.110.000.20PoorClearNONE
71990-05-23 10:40CDTYesRWB/DJOUSGS42.64.03-0.120.30FairClearNONE
61984-06-20 -- ----YesJGGUSGS73.65.80-0.130.30Poor NONE
51984-06-13 -- ----YesGDLUSGS18.62.92-0.010.40Fair NONE
41969-06-24 23:00CSTYesFELUSGS79.06.63 Good NONE
31961-02-27 -- ----YesRDBUSGS81.66.20 Fair NONE
21954-06-19 -- ----YesJANUSGS61.94.28-0.060.30Poor NONE
11953-06-07 -- ----YesUNKUSGS25409.51 Unspecified NONE