# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2025-10-13 08:48:54 EDT (sdww02) # # Further descriptions of the columns and codes used can be found at: # https://help.waterdata.usgs.gov/output-formats#streamflow_measurement_data # # Data for the following 1 site(s) are contained in this file # USGS 01609500 SAWPIT RUN NEAR OLDTOWN, MD # ----------------------------------------------------------------------------------- # # agency_cd site_no measurement_nu measurement_dt tz_cd q_meas_used_fg party_nm site_visit_coll_agency_cd gage_height_va discharge_va measured_rating_diff gage_va_change gage_va_time control_type_cd discharge_cd 5s 15s 6s 19d 12s 1s 12s 5s 12s 12s 12s 7s 6s 21s 15s USGS 01609500 1 1947-08-04 Yes LTL/KEB USGS 1.33 0.46 Good 0.00 0.30 Clear NONE USGS 01609500 2 1947-09-02 Yes JT USGS 1.70 12.7 Good -0.01 0.60 Clear NONE USGS 01609500 2A 1947-09-29 Yes ROM USGS 1.12 0.01 Unspecified Clear NONE USGS 01609500 3 1947-11-02 Yes OMD USGS 1.21 0.20 Unspecified Clear NONE USGS 01609500 4 1947-12-01 Yes DWL USGS 1.45 0.51 Unspecified 0.00 0.80 Clear NONE USGS 01609500 5 1948-01-02 Yes OMD USGS 1.93 28.2 Good 0.04 0.50 Clear NONE USGS 01609500 6 1948-03-02 Yes JMD USGS 2.02 24.8 Good 0.05 1.20 Clear NONE USGS 01609500 7 1948-03-02 Yes JMD USGS 2.05 25.1 Good -0.01 0.70 Clear NONE USGS 01609500 8 1948-04-05 Yes JT USGS 1.61 2.39 Good 0.00 0.60 Clear NONE USGS 01609500 9 1948-04-16 Yes JT USGS 1.87 14.4 Good 0.00 0.60 Clear NONE USGS 01609500 10 1948-05-03 Yes JFK USGS 2.17 49.0 Fair -0.02 0.90 Clear NONE USGS 01609500 12 1948-05-28 Yes JFK USGS 1.20 0.15 Unspecified NONE USGS 01609500 11 1948-05-31 Yes OMD USGS 1.59 2.14 Good 0.00 0.70 Clear NONE USGS 01609500 13 1948-08-02 Yes JT USGS 1.06 0.05 Unspecified NONE USGS 01609500 14 1948-08-30 Yes OMD USGS 0.99 0.00 Unspecified NONE USGS 01609500 15 1948-10-04 Yes JFK USGS 1.37 0.24 Unspecified 0.00 0.20 NONE USGS 01609500 16 1948-11-02 Yes LAK/DLD USGS 1.43 0.49 Good 0.00 0.40 Clear NONE USGS 01609500 17 1948-11-02 Yes LAK/DLD USGS 1.43 0.50 Good 0.00 0.30 Clear NONE USGS 01609500 18 1948-12-01 Yes JMD USGS 1.85 11.2 Good 0.00 0.80 Clear NONE USGS 01609500 19 1949-01-03 Yes JFK USGS 1.69 3.51 Good 0.00 0.50 Clear NONE USGS 01609500 20 1949-02-02 Yes LAK USGS 1.72 4.50 Good 0.03 1.00 IceShore NONE USGS 01609500 21 1949-02-28 Yes JMD USGS 1.80 10.5 Good -0.01 0.70 Clear NONE USGS 01609500 22 1949-02-28 Yes JMD USGS 1.79 9.01 Fair -0.01 0.50 Clear NONE USGS 01609500 23 1949-04-04 Yes JFK USGS 1.63 2.66 Fair 0.00 0.50 Clear NONE USGS 01609500 24 1949-05-02 Yes LAK USGS 1.49 0.78 Fair 0.00 0.40 Clear NONE USGS 01609500 25 1949-05-03 Yes LAK USGS 1.48 0.78 Good 0.00 0.50 Clear NONE USGS 01609500 26 1949-06-22 Yes JMD/JFW USGS 1.34 0.20 Unspecified NONE USGS 01609500 27 1949-07-05 Yes JAB USGS 1.30 0.14 Fair 0.00 0.50 Clear NONE USGS 01609500 28 1949-07-05 Yes JAB USGS 1.30 0.19 Fair 0.00 0.50 Clear NONE USGS 01609500 29 1949-08-02 Yes KEB USGS 1.13 0.02 Unspecified NONE USGS 01609500 30 1949-09-06 Yes JAB USGS 1.29 0.10 Unspecified NONE USGS 01609500 31 1949-10-03 Yes JFK USGS 1.18 0.13 Unspecified NONE USGS 01609500 32 1949-10-31 Yes JMD USGS 1.63 2.92 Good 0.00 0.60 Clear NONE USGS 01609500 33 1949-12-05 Yes LAK USGS 1.48 0.77 Fair 0.00 0.30 IceShore NONE USGS 01609500 34 1950-01-18 Yes WBM USGS 1.59 1.86 Excellent 0.00 1.00 Clear NONE USGS 01609500 35 1950-02-10 Yes LCD USGS 1.95 18.7 Good 0.01 0.80 Clear NONE USGS 01609500 36 1950-03-13 Yes WBM USGS 2.03 24.0 Good 0.02 0.80 Clear NONE USGS 01609500 37 1950-03-31 Yes WBM USGS 1.61 2.99 Good 0.00 0.50 Clear NONE USGS 01609500 38 1950-03-31 Yes WBM USGS 1.61 2.11 Good 0.00 0.50 Clear NONE USGS 01609500 39 1950-05-11 Yes JFK USGS 1.57 2.01 Good 0.00 0.50 Clear NONE USGS 01609500 40 1950-06-08 Yes LCD USGS 1.54 1.55 Good 0.00 0.50 Clear NONE USGS 01609500 41 1950-07-06 Yes LAK USGS 1.09 0.00 Fair 0.00 1.00 Clear NONE USGS 01609500 42 1950-07-31 Yes GBS/LAK USGS 1.06 0.00 Poor 0.00 0.30 Clear NONE USGS 01609500 43 1950-09-01 Yes GBS USGS 1.11 0.00 Poor -0.01 0.30 Clear NONE USGS 01609500 44 1950-09-13 Yes GBS USGS 1.26 0.08 Fair 0.00 0.20 NONE USGS 01609500 45 1950-10-06 Yes LAK USGS 1.23 0.05 Fair 0.00 0.20 NONE USGS 01609500 46 1950-11-01 Yes GBS USGS 1.36 0.27 Good 0.00 0.20 NONE USGS 01609500 47 1950-12-01 Yes GBS USGS 1.52 1.26 Good 0.00 0.20 NONE USGS 01609500 48 1951-01-15 Yes LAK USGS 2.34 56.6 Good -0.03 1.00 IceShore NONE USGS 01609500 49 1951-02-01 Yes LAK USGS 2.29 52.2 Good -0.01 0.80 Clear NONE USGS 01609500 50 1951-02-21 Yes LAK USGS 2.66 109 Good 0.03 1.40 Clear NONE USGS 01609500 51 1951-04-05 Yes LAK USGS 1.73 5.41 Good 0.00 0.80 Clear NONE USGS 01609500 52 1951-06-19 Yes GBS USGS 1.51 1.28 Good 0.00 0.20 Clear NONE USGS 01609500 53 1951-07-23 Yes GBS USGS 1.11 0.01 Unspecified Clear NONE USGS 01609500 54 1951-08-09 Yes GBS/JLF USGS 0.94 0.00 Unspecified Clear NONE USGS 01609500 55 1951-09-07 Yes GBS USGS 1.09 0.01 Excellent 0.00 0.30 Clear NONE USGS 01609500 56 1951-11-13 Yes GBS USGS 1.14 0.02 Excellent 0.00 0.30 Clear NONE USGS 01609500 57 1951-12-04 Yes LAK USGS 1.29 0.20 Fair 0.00 0.30 Clear NONE USGS 01609500 58 1952-01-09 Yes JFK USGS 1.67 4.85 Fair 0.00 0.60 Clear NONE USGS 01609500 59 1952-02-07 Yes LAK USGS 1.72 5.44 Good 0.00 0.90 Clear NONE USGS 01609500 60 1952-04-02 Yes LAK USGS 1.61 2.46 Good 0.00 0.70 Clear NONE USGS 01609500 61 1952-05-07 Yes LAK USGS 1.83 12.3 Good 0.00 0.50 Clear NONE USGS 01609500 62 1952-09-30 Yes LAK USGS 1.08 0.00 Excellent 0.00 0.20 DebrisLight NONE USGS 01609500 63 1952-11-10 Yes RWM USGS 1.14 0.02 Excellent 0.00 0.10 DebrisLight NONE USGS 01609500 64 1953-01-08 Yes RWM USGS 1.68 4.54 Good 0.01 0.80 Clear NONE USGS 01609500 65 1953-03-04 Yes DGG/EWM USGS 2.28 54.8 Good -0.04 1.30 Clear NONE USGS 01609500 66 1953-05-08 Yes AGT/RMB USGS 1.79 8.96 Good 0.00 0.70 Clear NONE USGS 01609500 67 1953-08-01 Yes RMB USGS 1.06 0.00 Fair 0.00 0.10 DebrisLight NONE USGS 01609500 68 1953-08-07 Yes RWM USGS 1.09 0.01 Good 0.00 0.10 DebrisLight NONE USGS 01609500 69 1953-10-31 Yes RMB USGS 1.07 0.00 Good 0.00 0.10 DebrisLight NONE USGS 01609500 70 1953-11-17 Yes RMB USGS 1.08 0.00 Good 0.00 0.10 Clear NONE USGS 01609500 71 1953-11-17 Yes RMB USGS 1.09 0.01 Good 0.00 0.10 Clear NONE USGS 01609500 72 1953-12-14 Yes BCA USGS 1.72 6.33 Fair -0.02 1.40 Clear NONE USGS 01609500 73 1954-01-08 Yes BCA USGS 1.18 0.06 Poor 0.00 0.50 Clear NONE USGS 01609500 74 1954-03-10 Yes BCA USGS 1.55 1.71 Fair 0.00 0.80 Clear NONE USGS 01609500 75 1954-03-22 Yes BCA USGS 1.73 6.00 Good 0.00 0.90 Clear NONE USGS 01609500 76 1954-04-14 Yes BCA USGS 1.44 0.71 Fair 0.00 0.80 Clear NONE USGS 01609500 77 1954-04-16 Yes BCA USGS 1.53 1.29 Fair 0.01 0.80 Clear NONE USGS 01609500 78 1954-05-06 Yes BCA USGS 1.46 0.73 Good 0.00 0.80 Clear NONE USGS 01609500 79 1954-05-31 Yes AGT USGS 1.43 0.64 Fair 0.00 0.50 Clear NONE USGS 01609500 80 1954-06-02 Yes AGT USGS 1.92 14.8 Good 0.00 0.80 Clear NONE USGS 01609500 81 1954-06-29 Yes BCA USGS 1.07 0.00 Excellent 0.00 0.10 DebrisLight NONE USGS 01609500 82 1954-08-18 Yes RWM USGS 1.11 0.01 Excellent 0.00 0.10 DebrisLight NONE USGS 01609500 83 1954-08-31 Yes RWM USGS 1.27 0.14 Fair 0.00 0.20 Clear NONE USGS 01609500 84 1954-09-30 Yes RMB USGS 1.11 0.00 Good 0.00 0.10 Clear NONE USGS 01609500 84S 1954-10-15 Yes ROM USGS 4.72 772 Fair Unspecifed NONE USGS 01609500 85 1954-10-20 Yes BCA USGS 1.54 1.86 Good 0.00 0.70 DebrisLight NONE USGS 01609500 86 1954-12-10 Yes BCA USGS 1.57 1.57 Good 0.00 0.30 IceCover NONE USGS 01609500 87 1955-01-10 Yes BCA USGS 1.61 2.34 Good 0.00 0.80 Clear NONE USGS 01609500 88 1955-02-28 Yes BCA USGS 1.75 7.51 Fair 0.00 0.30 Clear NONE USGS 01609500 89 1955-03-31 Yes EHM USGS 1.63 2.80 Fair 0.00 0.70 Clear NONE USGS 01609500 90 1955-05-09 Yes BCA USGS 1.49 0.98 Fair 0.00 0.40 Clear NONE USGS 01609500 91 1955-06-13 Yes RWM/EHM USGS 1.89 13.1 Fair 0.00 0.40 Clear NONE USGS 01609500 92 1955-07-18 Yes EHM/RWM USGS 1.07 0.00 Excellent 0.00 0.10 Clear NONE USGS 01609500 93 1955-07-28 Yes RWM USGS 1.08 0.00 Excellent 0.00 0.10 Clear NONE USGS 01609500 94 1955-08-31 Yes RWM USGS 1.26 0.10 Excellent 0.00 0.10 Clear NONE USGS 01609500 95 1955-10-16 Yes EHM USGS 1.19 0.05 Fair 0.00 0.10 DebrisLight NONE USGS 01609500 96 1955-11-20 Yes EHM USGS 1.38 0.22 Fair 0.00 0.10 Clear NONE USGS 01609500 97 1955-11-30 Yes BCA USGS 1.23 0.08 Unspecified 0.00 0.10 Clear NONE USGS 01609500 98 1955-12-20 Yes BCA USGS 1.15 0.02 Poor 0.00 0.10 Clear NONE USGS 01609500 99 1955-12-27 Yes EHM/BCA USGS 1.16 0.04 Good 0.00 0.10 Clear NONE USGS 01609500 100 1956-01-06 Yes EHM USGS 1.14 0.03 Good 0.00 0.10 Clear NONE USGS 01609500 101 1956-01-08 Yes EHM USGS 1.13 0.02 Good 0.00 0.10 Clear NONE USGS 01609500 102 1956-01-11 Yes EHM USGS 1.35 0.10 Fair 0.00 0.10 Clear NONE USGS 01609500 103 1956-02-21 Yes BCA USGS 1.72 5.23 Good 0.00 0.50 Clear NONE USGS 01609500 104 1956-02-29 Yes BCA USGS 1.69 4.74 Good 0.00 0.50 Clear NONE USGS 01609500 105 1956-03-09 Yes BCA USGS 1.82 9.86 Good 0.00 0.50 DebrisLight NONE USGS 01609500 106 1956-03-30 Yes BCA USGS 1.73 5.58 Good 0.00 0.40 Clear NONE USGS 01609500 107 1956-04-07 Yes EHM USGS 2.37 60.6 Good 0.00 0.80 Clear NONE USGS 01609500 108 1956-04-30 Yes EHM USGS 1.56 1.59 Good 0.00 0.40 Clear NONE USGS 01609500 109 1956-06-06 Yes BCA USGS 1.61 2.02 Good 0.00 0.50 Clear NONE USGS 01609500 110 1956-07-17 Yes EHM USGS 1.26 0.11 Excellent 0.00 0.10 Clear NONE USGS 01609500 111 1956-07-31 Yes EHM USGS 1.23 0.08 Excellent 0.00 0.10 Clear NONE USGS 01609500 112 1956-08-06 Yes EHM USGS 1.70 4.15 Good 0.00 0.60 Clear NONE USGS 01609500 113 1956-08-31 Yes EHM USGS 1.25 0.09 Unspecified Clear NONE USGS 01609500 114 1956-10-01 Yes BCA USGS 1.31 0.14 Excellent NONE USGS 01609500 115 1956-10-25 Yes EHM/BCA USGS 1.32 0.21 Good 0.00 0.10 DebrisLight NONE USGS 01609500 116 1956-11-26 Yes BCA USGS 1.27 0.13 Good 0.00 0.10 DebrisLight NONE USGS 01609500 117 1957-01-03 Yes BCA USGS 1.48 0.87 Good 0.00 0.80 Clear NONE USGS 01609500 118 1957-02-07 Yes BCA USGS 1.71 5.00 Good 0.00 0.40 NONE USGS 01609500 119 1957-03-15 Yes BCA USGS 1.61 2.25 Good 0.00 0.60 Clear NONE USGS 01609500 120 1957-04-03 Yes BCA USGS 1.72 5.63 Good 0.00 0.40 Clear NONE USGS 01609500 121 1957-05-28 Yes BCA USGS 1.29 0.16 Excellent 0.00 0.10 Clear NONE USGS 01609500 122 1957-06-02 Yes EHM USGS 1.18 0.04 Unspecified 0.00 0.10 Clear NONE USGS 01609500 123 1957-07-11 Yes BCA USGS 1.13 0.01 Unspecified 0.00 0.10 Clear NONE USGS 01609500 124 1957-08-26 Yes BCA USGS 0.81 0.00 Unspecified NONE USGS 01609500 125 1957-09-18 Yes BCA USGS 1.10 0.00 Good 0.00 0.10 Clear NONE USGS 01609500 126 1957-10-07 Yes EHM USGS 1.68 4.26 Good -0.01 0.50 Clear NONE USGS 01609500 127 1957-11-26 Yes BCA USGS 1.41 0.60 Good 0.00 0.30 Clear NONE USGS 01609500 128 1958-02-05 Yes BCA USGS 1.70 4.65 Good 0.00 0.30 NONE USGS 01609500 129 1958-03-05 Yes BCA USGS 1.71 5.31 Good 0.00 0.30 Clear NONE USGS 01609500 130 1958-03-27 Yes EHM USGS 2.29 53.2 Good 0.00 0.80 Clear NONE USGS 01609500 131 1958-04-28 Yes BCA USGS 2.26 51.3 Good -0.01 0.50 Clear NONE USGS 01609500 132 1958-05-01 Yes EHM USGS 1.76 7.70 Good 0.00 0.50 NONE USGS 01609500 133 1958-07-31 Yes AAV/NJ USGS 1.14 0.02 Unspecified NONE USGS 01609500 134 1958-08-21 Yes NJ USGS 1.12 0.01 Unspecified NONE USGS 01609500 135 1958-08-29 Yes AAV USGS 1.12 0.01 Unspecified NONE USGS 01609500 136 1958-09-19 Yes NJ USGS 1.11 0.00 Good 0.00 0.50 NONE USGS 01609500 137 1958-10-20 Yes NJ USGS 1.10 0.00 Good 0.00 0.50 NONE USGS 01609500 138 1958-10-31 Yes AAV USGS 1.15 0.01 Fair NONE USGS 01609500 139 1958-11-07 Yes NJ USGS 1.18 0.04 Fair 0.00 0.50 DebrisLight NONE USGS 01609500 140 1958-11-28 Yes NJ USGS 1.21 0.06 Unspecified IceCover NONE USGS 01609500 141 1958-12-31 Yes AAV USGS 1.09 0.00 Fair NONE USGS 01609500 150W 1972-06-22 Yes JEA/WHH USGS 4.33 680 Poor Unspecifed NONE USGS 01609500 156W 1973-10-29 Yes JEA/WHH USGS 2.56 150 Poor Unspecifed NONE USGS 01609500 157W 1973-12-26 Yes JEA/WHH USGS 2.92 220 Poor Unspecifed NONE USGS 01609500 158 1999-04-29 13:35:00 EDT Yes CJS USGS 1.25 1.83 Good 0.00 0.70 Clear NONE USGS 01609500 159 1999-06-07 12:30:00 EDT Yes CJS USGS 0.84 0.09 Poor 0.00 0.20 Clear NONE USGS 01609500 160 1999-08-05 08:20:00 EDT Yes EJD USGS 0.63 0.00 Excellent 0.00 0.10 Clear NONE USGS 01609500 161 2000-02-28 10:06:00 EST Yes EJD USGS 1.54 14.2 Fair 0.00 0.60 DebrisLight NONE USGS 01609500 162 2000-02-28 14:40:00 EST Yes CJS USGS 1.51 11.4 Good 0.00 0.50 DebrisLight NONE