Conococheague Creek at Fairview, Washington County MD (FAVM2)
Gage Location: Washington County, Maryland	Site Location: Washington County, Maryland
Latitude: 39.719	Longitude: -77.825	Elevation: 391.85 ft. MSL	Drainage Area: 494 Sq. Mi.
Minor Stage: 10 ft.	Moderate Stage: 12 ft.	Major Stage: 15 ft.
First Flood: 1889-06-01	Last Flood: 2012-10-31 Crest: 11.76 ft.	Datum change: 2011-05-18	Number of Floods: 47

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1905-03-03 16.51 22000 Major *** 1905-04-07 16 13000 Major *** 1929-04-16 11.3 7780 Minor *** 1929-10-22 10.8 7280 Minor *** 1933-08-24 13.3 9000 Moderate *** 1934-09-17 11.61 10700 Minor *** 1934-12-01 14.8 16300 Moderate *** 1936-03-18 13.27 13700 Moderate *** 1937-04-28 13.84 14200 Moderate *** 1942-10-16 12.17 11100 Moderate *** 1945-09-18 10.3 7950 Minor *** 1950-11-25 11.72 10200 Minor *** 1952-03-12 14.44 15500 Moderate *** 1952-11-22 15.16 17100 Major *** 1955-03-22 10.21 7820 Minor *** 1958-05-06 10 7510 Minor *** 1961-02-26 11.43 9630 Minor *** 1963-03-06 10.91 8890 Minor *** 1965-03-05 12.24 11100 Moderate *** 1966-02-14 12.69 12000 Moderate *** 1967-03-07 10.57 8360 Minor *** 1970-04-03 12.07 10800 Moderate *** 1972-06-23 24.5 32400 Major *** 1973-10-29 11.33 9560 Minor *** 1975-09-26 14.79 15800 Moderate *** 1976-10-09 16 18000 Major *** 1979-01-25 12.97 12500 Moderate *** 1984-02-15 17.97 21500 Major *** 1986-03-15 11.46 9780 Minor *** 1987-04-05 10.18 7760 Minor *** 1988-05-19 10.56 8330 Minor *** 1989-05-17 10.16 7730 Minor *** 1990-10-23 10.04 7550 Minor *** 1993-04-02 12.17 11000 Moderate *** 1993-11-28 14.11 14600 Moderate *** 1996-06-19 15.23 16700 Major *** 1997-11-08 13.6 13600 Moderate *** 2003-06-04 14.08 14500 Moderate *** 2004-09-19 13.75 13900 Moderate *** 2005-03-29 11.44 9740 Minor *** 2008-03-06 11.44 9740 Minor *** 2010-05-24 14.04 14400 Moderate *** 2011-09-10 11.55 10000 Minor none 2011-11-23 10.1 7100 Minor none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012