LOCATION.-- On right bank 100 ft east of intersection of 44th and Pine Streets in Clifton Park, 700 ft downstream from bridge on North Market Street in Wilmington, 0.2 mi downstream from Matson Run, and 2.3 mi upstream from mouth. PERIOD OF RECORD.-- December 1945 to current year. GAGE.-- Water-stage recorder, concrete control and crest stage gage. Datum of gage is 14.04 ft above North American Vertical Datum of 1988 and 15.16 ft above National Geodetic Vertical Datum of 1929. REMARKS.--Occasional regulation at low flow from unknown source upstream from station. EXTREMES OUTSIDE PERIOD OF RECORD.-- Maximum stage known since at least 1940, that of July 5, 1989. Flood of Aug. 1, 1945, reached a stage of about 8.5 ft, from floodmarks.