{"site_no":"01658000","name":"Mattawoman Creek Near Pomonkey, MD","slug":"mattawoman-creek-near-pomonkey-md","url":"https://streamflowdata.com/stations/mattawoman-creek-near-pomonkey-md","state":"MD","county":"Charles County","lat":38.5961389,"lng":-77.0560278,"drainage_area_sqmi":54.8,"datum_ft":39.54,"huc_code":"020700110102","river":{"name":"Mattawoman Creek","slug":"mattawoman-creek-md"},"current":{"reading_time":"2026-05-29T23:50:00+00:00","discharge_cfs":2.49,"gage_height_ft":2.08},"flood_stage":{"action_stage_ft":6,"flood_stage_ft":7,"moderate_flood_ft":10,"major_flood_ft":12},"today_statistics":{"month":6,"day":11,"p10":0.04,"p25":2.1,"p50":11,"p75":26,"p95":273},"recent_daily_values":[{"date":"2026-05-28","discharge_cfs":5.22,"gage_height_ft":null},{"date":"2026-05-27","discharge_cfs":7.68,"gage_height_ft":null},{"date":"2026-05-26","discharge_cfs":13,"gage_height_ft":null},{"date":"2026-05-25","discharge_cfs":26.2,"gage_height_ft":null},{"date":"2026-05-24","discharge_cfs":24.4,"gage_height_ft":null},{"date":"2026-05-23","discharge_cfs":1.86,"gage_height_ft":null},{"date":"2026-05-22","discharge_cfs":0.25,"gage_height_ft":null},{"date":"2026-05-21","discharge_cfs":0.14,"gage_height_ft":null},{"date":"2026-05-20","discharge_cfs":0.37,"gage_height_ft":null},{"date":"2026-05-19","discharge_cfs":0.69,"gage_height_ft":null},{"date":"2026-05-18","discharge_cfs":1.25,"gage_height_ft":null},{"date":"2026-05-17","discharge_cfs":2.02,"gage_height_ft":null},{"date":"2026-05-16","discharge_cfs":3.69,"gage_height_ft":null},{"date":"2026-05-15","discharge_cfs":8.25,"gage_height_ft":null},{"date":"2026-04-21","discharge_cfs":3.32,"gage_height_ft":null},{"date":"2026-04-20","discharge_cfs":3.78,"gage_height_ft":null},{"date":"2026-04-19","discharge_cfs":4.49,"gage_height_ft":null},{"date":"2026-04-18","discharge_cfs":5.23,"gage_height_ft":null},{"date":"2026-04-17","discharge_cfs":6.33,"gage_height_ft":null},{"date":"2026-04-16","discharge_cfs":8.17,"gage_height_ft":null},{"date":"2026-04-15","discharge_cfs":9.46,"gage_height_ft":null},{"date":"2026-04-14","discharge_cfs":9.41,"gage_height_ft":null},{"date":"2026-04-13","discharge_cfs":10.5,"gage_height_ft":null},{"date":"2026-04-12","discharge_cfs":13.1,"gage_height_ft":null},{"date":"2026-04-11","discharge_cfs":13.6,"gage_height_ft":null},{"date":"2026-04-10","discharge_cfs":15.1,"gage_height_ft":null},{"date":"2026-04-09","discharge_cfs":16,"gage_height_ft":null},{"date":"2026-04-08","discharge_cfs":18.8,"gage_height_ft":null},{"date":"2026-04-07","discharge_cfs":26.2,"gage_height_ft":null},{"date":"2026-04-06","discharge_cfs":34.9,"gage_height_ft":null},{"date":"2026-04-05","discharge_cfs":22.2,"gage_height_ft":null},{"date":"2026-04-04","discharge_cfs":21.2,"gage_height_ft":null},{"date":"2026-04-03","discharge_cfs":22.7,"gage_height_ft":null},{"date":"2026-04-02","discharge_cfs":22.4,"gage_height_ft":null},{"date":"2026-04-01","discharge_cfs":22.7,"gage_height_ft":null},{"date":"2026-03-31","discharge_cfs":24.4,"gage_height_ft":null},{"date":"2026-03-30","discharge_cfs":23.1,"gage_height_ft":null},{"date":"2026-03-29","discharge_cfs":24.3,"gage_height_ft":null},{"date":"2026-03-28","discharge_cfs":27.4,"gage_height_ft":null},{"date":"2026-03-27","discharge_cfs":24.3,"gage_height_ft":null},{"date":"2026-03-26","discharge_cfs":24.2,"gage_height_ft":null},{"date":"2026-03-25","discharge_cfs":24.9,"gage_height_ft":null},{"date":"2026-03-24","discharge_cfs":27.5,"gage_height_ft":null},{"date":"2026-03-23","discharge_cfs":33.9,"gage_height_ft":null},{"date":"2026-03-22","discharge_cfs":40.7,"gage_height_ft":null},{"date":"2026-03-21","discharge_cfs":40.7,"gage_height_ft":null},{"date":"2026-03-20","discharge_cfs":35.9,"gage_height_ft":null},{"date":"2026-03-19","discharge_cfs":41.7,"gage_height_ft":null},{"date":"2026-03-18","discharge_cfs":56.4,"gage_height_ft":null},{"date":"2026-03-17","discharge_cfs":90.9,"gage_height_ft":null},{"date":"2026-03-16","discharge_cfs":35,"gage_height_ft":null},{"date":"2026-03-15","discharge_cfs":30.5,"gage_height_ft":null},{"date":"2026-03-14","discharge_cfs":37.5,"gage_height_ft":null},{"date":"2026-03-13","discharge_cfs":45.5,"gage_height_ft":null},{"date":"2026-03-12","discharge_cfs":29.4,"gage_height_ft":null},{"date":"2026-03-11","discharge_cfs":27.2,"gage_height_ft":null},{"date":"2026-03-10","discharge_cfs":29.2,"gage_height_ft":null},{"date":"2026-03-09","discharge_cfs":31.2,"gage_height_ft":null},{"date":"2026-03-08","discharge_cfs":33.4,"gage_height_ft":null},{"date":"2026-03-07","discharge_cfs":35.1,"gage_height_ft":null}],"sources":{"usgs_nwis":"https://waterdata.usgs.gov/nwis","noaa_nwps":"https://api.water.noaa.gov/nwps/v1"},"license":"USGS data is in the public domain. Attribution: USGS National Water Information System (NWIS)."}