Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 03321500

! This page will be decommissioned in early 2026. Modernized Water Year Summary Reports are available in WDFN. Learn more about our modernization plans and timeline.
Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Mean,Min.,Max.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Mean,Min.,Max.)  
00300 Dissolved oxygen(Mean,Max.,Min.)  
00400 pH(Med.,Min.,Max.)  
91007 Phosphorus, wu(Mean)  

Water year 2025: 2025-10-01 to 2026-09-30
 
Print this page
USGS Water-Year Summary 2025
03321500 GREEN R AT LOCK AND DAM 1 AT SPOTTSVILLE, KY
LOCATION - Lat 37°51'30", long 87°24'35" referenced to North American Datum of 1927, Henderson County, KY, Hydrologic Unit 05110005,
DRAINAGE AREA - 9,181 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2013 to current year.
GAGE - Water-stage and index velocity recorder with telemetry.  Datum is 339.56 feet above NAVD of 1988 and 340.0 ft above NGVD of 1929.
COOPERATION - Governor's Office Of Agricultural Policy
EXTREMES FOR PERIOD OF RECORD - Maximum Peak Flow 78200 cfs on March 5, 2019; Maximum Peak Stage 39.27 ft on March 1, 2018; Maximum Velocity 4.20 ft/s onJune 28, 2020.
WATER-QUALITY RECORDS
PERIOD OF RECORD -

Water Temperature : August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

Specific Conductance: August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

Dissolved Oxygen: August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

pH: August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

Turbidity: August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

Nitrate: August 2013-07/23/2019 (YSI 6920),  7/23/2019-Current (EXO3)

EXTREMES FOR PERIOD OF RECORD -

Water Temperature: Maximum recorded, 32.6 C, July 22, 2014; minimum recorded, 1.0 C, January 19, 2018*.

Specific Conductance: Maximum recorded, 634 microsiemens/cm, January 24, 2016*; minimum recorded, 137 microsiemens/cm, June 29, 2020.

Dissolved Oxygen: Maximum recorded, 19.74 mg/L, September 20, 2024; minimum recorded, 1.5 mg/L, September 24, 2013*.

pH: Maximum recorded, 9.11 units, September 20, 2024; minimum recorded, 6.3 units, July 4, 2020.

Turbidity: Maximum recorded, 478 FNU, October 9, 2013; minimum recorded, 0 FNU, June 23, 2016*.

Nitrate: Maximum recorded, 3.49 mg/L, June 2, 2019*, Minimum recorded, 0.42 mg/L, October 14, 2017.

* Multiple occurrences of the same extreme in selected data set. First occurrence listed.