Maryland Current Water Conditions
BASEMAP
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BASEMAP
| ID | Station | Stage | Discharge | Class | Percentile | % Median | % Mean | Date |
|---|---|---|---|---|---|---|---|---|
| 01485000 | POCOMOKE RIVER NEAR WILLARDS, MD | 6.77 ft | 91.8 ft3/s | Above Normal | 88.24% | 573.75% | 210.5% | 2018-10-21 04:45:00 |
| 01485500 | NASSAWANGO CREEK NEAR SNOW HILL, MD | 2.33 ft | 41.1 ft3/s | Above Normal | 81.68% | 501.22% | 150.94% | 2018-10-21 04:30:00 |
| 01485755 | LITTLE ANNEMESSEX RIVER AT CRISFIELD, MD | -0.99 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01486000 | MANOKIN BRANCH NEAR PRINCESS ANNE, MD | 1.81 ft | 7.34 ft3/s | Much Above Normal | 91.47% | 1048.57% | 272.86% | 2018-10-21 04:15:00 |
| 01486500 | BEAVERDAM CREEK NEAR SALISBURY, MD | 1.14 ft | 16.7 ft3/s | Not Ranked | 78.07% | 167% | 123.89% | 2017-09-30 23:55:00 |
| 01488110 | NANTICOKE RIVER AT SHARPTOWN, MD | 2.24 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01490000 | CHICAMACOMICO RIVER NEAR SALEM, MD | 0.88 ft | 13.9 ft3/s | Above Normal | 78.41% | 197.16% | 152.92% | 2018-10-21 04:15:00 |
| 01491000 | CHOPTANK RIVER NEAR GREENSBORO, MD | 3.31 ft | 153 ft3/s | Much Above Normal | 90.82% | 527.59% | 224.5% | 2018-10-21 04:15:00 |
| 01491500 | TUCKAHOE CREEK NEAR RUTHSBURG, MD | 1.6 ft | 120 ft3/s | Not Ranked | 95.65% | 388.35% | 289.86% | 2018-10-21 04:45:00 |
| 01492500 | SALLIE HARRIS CREEK NEAR CARMICHAEL, MD | 0.97 ft | 7.42 ft3/s | Not Ranked | 95.68% | 228.31% | 202.18% | 2018-10-21 04:45:00 |
| 01492600 | EASTERN BAY AT CLAIBORNE, MD | -0.5 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01493000 | UNICORN BRANCH NEAR MILLINGTON, MD | 1.7 ft | 25.3 ft3/s | Above Normal | 83.33% | 253% | 155.41% | 2018-10-21 04:00:00 |
| 01493112 | CHESTERVILLE BRANCH NEAR CRUMPTON, MD | 1.17 ft | 6.63 ft3/s | Not Ranked | 70.65% | 132.6% | 119.68% | 2018-10-21 04:00:00 |
| 01493500 | MORGAN CREEK NEAR KENNEDYVILLE, MD | 1.36 ft | 7.25 ft3/s | Above Normal | 75.07% | 134.26% | 90.17% | 2018-10-21 03:45:00 |
| 01494150 | THREE BRIDGES BRANCH AT CENTREVILLE, MD | 0.81 ft | 3.04 ft3/s | Not Ranked | 40.68% | 77.95% | 75.25% | 2017-10-01 00:00:00 |
| 01495000 | BIG ELK CREEK AT ELK MILLS, MD | 3.87 ft | 81.1 ft3/s | Above Normal | 89.61% | 253.44% | 174% | 2018-10-21 04:45:00 |
| 01578310 | SUSQUEHANNA RIVER AT CONOWINGO, MD | 10.71 ft | 13000 ft3/s | Normal | 43.81% | 91.55% | 45.78% | 2018-10-21 04:30:00 |
| 01578475 | Octoraro Creek near Richardsmere, MD | 3.43 ft | 344 ft3/s | Not Ranked | 92.31% | 318.52% | 284.3% | 2018-10-21 05:45:00 |
| 01580000 | DEER CREEK AT ROCKS, MD | 2.72 ft | 185 ft3/s | Much Above Normal | 92.69% | 284.62% | 183.1% | 2018-10-21 04:15:00 |
| 01580520 | DEER CREEK NEAR DARLINGTON, MD | 2.21 ft | 308 ft3/s | Not Ranked | 94.44% | 242.52% | 239.17% | 2018-10-21 04:15:00 |
| 01580620 | CHES BAY AT MOUTH OF SUS R AT HAVRE DE GRACE, MD | -0.88 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01580700 | SWAN CREEK AT SWAN CREEK, MD | 3.23 ft | 6.94 ft3/s | Not Ranked | 80.82% | 224.6% | 192.78% | 2018-10-21 04:15:00 |
| 01581500 | BYNUM RUN AT BEL AIR, MD | 0.59 ft | 7.46 ft3/s | Above Normal | 76.07% | 206.08% | 139.18% | 2018-10-21 04:15:00 |
| 01581649 | JAMES RUN NEAR BELCAMP, MD | 2.94 ft | 8.95 ft3/s | Not Ranked | 75.45% | 215.66% | 175.49% | 2018-10-21 04:30:00 |
| 01581700 | WINTERS RUN NEAR BENSON, MD | 1.81 ft | 59.8 ft3/s | Above Normal | 84.95% | 234.51% | 122.69% | 2018-10-21 04:15:00 |
| 01581750 | WINTERS RUN HD OF OTTER PT CREEK NEAR BEL AIR, MD | 1.67 ft | 62.2 ft3/s | Not Ranked | 66.67% | 272.81% | 272.81% | 2018-10-21 04:45:00 |
| 01581752 | PLUMTREE RUN NEAR BEL AIR, MD | 1.11 ft | 2.23 ft3/s | Not Ranked | 73.82% | 132.74% | 125.99% | 2018-10-21 04:25:00 |
| 01581753 | ATKISSON RESERVOIR NEAR BEL AIR, MD | 119.39 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01581757 | OTTER POINT CREEK NEAR EDGEWOOD, MD | 1.4 ft | 82 ft3/s | Not Ranked | 94.05% | 232.95% | 222.89% | 2018-10-21 04:15:00 |
| 01581810 | GUNPOWDER FALLS AT HOFFMANVILLE, MD | 1.65 ft | 47.7 ft3/s | Not Ranked | 94.44% | 252.38% | 224.26% | 2018-10-21 04:15:00 |
| 01581830 | GRAVE RUN NEAR BECKLEYSVILLE, MD | 0.03 ft | 14 ft3/s | Not Ranked | 94.44% | 276.68% | 236.89% | 2018-10-21 04:00:00 |
| 01581870 | GEORGES RUN NEAR BECKLEYSVILLE, MD | 1.1 ft | 26 ft3/s | Not Ranked | 94.44% | 214.88% | 197.27% | 2018-10-21 04:15:00 |
| 01581920 | GUNPOWDER FALLS NEAR PARKTON, MD | 1.5 ft | 30.5 ft3/s | Not Ranked | 19.9% | 35.61% | 35.85% | 2018-10-21 04:00:00 |
| 01581960 | BEETREE RUN AT BENTLEY SPRINGS, MD | 1.13 ft | 22.7 ft3/s | Not Ranked | 94.74% | 286.62% | 258.25% | 2018-10-21 04:30:00 |
| 01582000 | LITTLE FALLS AT BLUE MOUNT, MD | 0.89 ft | 106 ft3/s | Much Above Normal | 92.6% | 302.86% | 198.8% | 2018-10-21 04:15:00 |
| 01582500 | GUNPOWDER FALLS AT GLENCOE, MD | 1.68 ft | 174 ft3/s | Normal | 63.78% | 120% | 92.48% | 2018-10-21 04:15:00 |
| 01583100 | PINEY RUN AT DOVER, MD | 1.86 ft | 22.7 ft3/s | Not Ranked | 94.47% | 261.22% | 229.76% | 2018-10-21 04:45:00 |
| 01583500 | WESTERN RUN AT WESTERN RUN, MD | 1.31 ft | 113 ft3/s | Much Above Normal | 92.57% | 313.89% | 232.85% | 2018-10-21 04:30:00 |
| 01583570 | POND BRANCH AT OREGON RIDGE, MD | 1.27 ft | 0.172 ft3/s | Not Ranked | 80.67% | 172% | 156.36% | 2018-10-21 04:30:00 |
| 01583580 | BAISMAN RUN AT BROADMOOR, MD | 1.43 ft | 2.62 ft3/s | Not Ranked | 95.83% | 287.91% | 291.11% | 2018-10-21 04:15:00 |
| 01583600 | BEAVERDAM RUN AT COCKEYSVILLE, MD | 1.89 ft | 30.6 ft3/s | Above Normal | 80.66% | 161.05% | 111.39% | 2018-10-21 04:25:00 |
| 01583800 | LONG QUARTER BRANCH AT LUTHERVILLE, MD | 1.35 ft | 1.04 ft3/s | Not Ranked | 42.79% | 50.73% | 52% | 2018-10-21 04:30:00 |
| 01584050 | LONG GREEN CREEK AT GLEN ARM, MD | 1.33 ft | 12.7 ft3/s | Above Normal | 83.61% | 206.5% | 116.19% | 2018-10-21 04:15:00 |
| 01584500 | LITTLE GUNPOWDER FALLS AT LAUREL BROOK, MD | 1.62 ft | 55.6 ft3/s | Much Above Normal | 95.67% | 223.74% | 202.55% | 2018-10-21 04:15:00 |
| 01585075 | FOSTER BRANCH NEAR JOPPATOWNE, MD | 1.81 ft | 0.52 ft3/s | Not Ranked | 66.67% | 273.68% | 273.68% | 2018-10-21 04:35:00 |
| 01585090 | WHITEMARSH RUN NEAR FULLERTON, MD | 1.27 ft | 2.02 ft3/s | Not Ranked | 80% | 198.04% | 32.85% | 2018-10-21 04:50:00 |
| 01585100 | WHITEMARSH RUN AT WHITE MARSH, MD | 3.2 ft | 6.03 ft3/s | Normal | 72.19% | 227.55% | 47.07% | 2018-10-21 04:30:00 |
| 01585104 | HONEYGO RUN NEAR WHITE MARSH, MD | 0.58 ft | 2.69 ft3/s | Not Ranked | 90.15% | 235.96% | 188.11% | 2018-10-21 04:45:00 |
| 01585175 | UNNAMED DITCH ON WILSON PT RD AT MIDDLE RIVER, MD | 6.56 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01585200 | WEST BRANCH HERRING RUN AT IDLEWYLDE, MD | 1.17 ft | 1.26 ft3/s | Normal | 70.28% | 182.61% | 71.19% | 2018-10-21 04:05:00 |
| 01585219 | HERRING RUN AT SINCLAIR LANE AT BALTIMORE, MD | 4.34 ft | 29.2 ft3/s | Not Ranked | 44.76% | 88.08% | 86.65% | 2018-10-21 04:50:00 |
| 01585225 | MOORES RUN TRIB. NEAR TODD AVE AT BALTIMORE, MD | 2.49 ft | 0.03 ft3/s | Not Ranked | 50% | 100% | 42.86% | 2018-10-21 04:49:00 |
| 01585230 | MOORES RUN AT RADECKE AVE AT BALTIMORE, MD | 1.61 ft | 1.03 ft3/s | Not Ranked | 70.52% | 201.96% | 79.23% | 2018-10-21 04:49:00 |
| 01585500 | CRANBERRY BRANCH NEAR WESTMINSTER, MD | 1.58 ft | 4.73 ft3/s | Much Above Normal | 94.11% | 337.86% | 278.24% | 2018-10-21 04:15:00 |
| 01586000 | NORTH BRANCH PATAPSCO RIVER AT CEDARHURST, MD | 1.91 ft | 117 ft3/s | Much Above Normal | 93.7% | 425.45% | 273.75% | 2018-10-21 04:00:00 |
| 01586210 | BEAVER RUN NEAR FINKSBURG, MD | 1 ft | 25.1 ft3/s | Much Above Normal | 90.76% | 285.23% | 203.07% | 2018-10-21 04:00:00 |
| 01586610 | MORGAN RUN NEAR LOUISVILLE, MD | 1.98 ft | 60.9 ft3/s | Much Above Normal | 91.38% | 406% | 245.66% | 2018-10-21 04:00:00 |
| 01589000 | PATAPSCO RIVER AT HOLLOFIELD, MD | 2.39 ft | 422 ft3/s | Much Above Normal | 95.03% | 661.96% | 402.44% | 2018-10-21 04:15:00 |
| 01589025 | PATAPSCO RIVER NEAR CATONSVILLE, MD | 12 ft | 457 ft3/s | Not Ranked | 87.5% | 629.48% | 494.43% | 2018-10-21 04:30:00 |
| 01589035 | PATAPSCO RIVER NEAR ELKRIDGE, MD | 7.3 ft | 494 ft3/s | Not Ranked | 87.5% | 539.89% | 488.29% | 2018-10-21 04:35:00 |
| 01589100 | EAST BRANCH HERBERT RUN AT ARBUTUS, MD | 1.01 ft | 1.32 ft3/s | Normal | 55.42% | 110% | 46.15% | 2018-10-21 04:40:00 |
| 01589180 | GWYNNS FALLS AT GLYNDON, MD | 0.91 ft | 0.09 ft3/s | Not Ranked | 53.33% | 128.57% | 75% | 2018-10-21 04:15:00 |
| 01589197 | GWYNNS FALLS NEAR DELIGHT, MD | 0.12 ft | 3.68 ft3/s | Not Ranked | 71.18% | 144.31% | 123.08% | 2018-10-21 04:45:00 |
| 01589238 | GWYNNS FALLS TRIBUTARY AT MCDONOGH, MD | 0.19 ft | 0.011 ft3/s | Not Ranked | 45.5% | 55% | 55% | 2018-10-21 04:45:00 |
| 01589290 | SCOTTS LEVEL BRANCH AT ROCKDALE, MD | 0.85 ft | 1.84 ft3/s | Not Ranked | 75.4% | 125.17% | 126.9% | 2018-10-21 04:50:00 |
| 01589300 | GWYNNS FALLS AT VILLA NOVA, MD | 1.06 ft | 29.9 ft3/s | Above Normal | 75.98% | 175.88% | 127.89% | 2018-10-21 04:30:00 |
| 01589305 | POWDER MILL RUN NEAR LOCHEARN, MD | 2.48 ft | 3.15 ft3/s | Not Ranked | 73.99% | 221.83% | 99.68% | 2018-10-21 04:50:00 |
| 01589312 | DEAD RUN NEAR CATONSVILLE, MD | 0.48 ft | 0.3 ft3/s | Not Ranked | 67.5% | 150% | 54.55% | 2018-10-20 15:25:00 |
| 01589315 | DEAD RUN AT WOODLAWN, MD | 0.29 ft | 0.71 ft3/s | Not Ranked | 49.41% | 97.26% | 37.57% | 2018-10-20 15:30:00 |
| 01589316 | DEAD RUN TRIBUTARY NEAR WOODLAWN, MD | 0.24 ft | 0.17 ft3/s | Not Ranked | 62.5% | 188.89% | 41.46% | 2018-10-20 15:25:00 |
| 01589317 | TRIBUTARY TO DEAD RUN TRIBUTARY AT WOODLAWN, MD | 0.5 ft | 0.22 ft3/s | Not Ranked | 70.19% | 129.41% | 52.38% | 2018-10-20 16:30:00 |
| 01589320 | DEAD RUN TRIBUTARY AT WOODLAWN, MD | 2.71 ft | 0.51 ft3/s | Not Ranked | 22.73% | 73.91% | 40.8% | 2018-10-20 15:30:00 |
| 01589330 | DEAD RUN AT FRANKLINTOWN, MD | 0.5 ft | 2.87 ft3/s | Normal | 73.85% | 190.07% | 63.08% | 2018-10-21 04:40:00 |
| 01589352 | GWYNNS FALLS AT WASHINGTON BLVD AT BALTIMORE, MD | 2.39 ft | 53 ft3/s | Not Ranked | 68.5% | 128.33% | 109.08% | 2018-10-21 04:20:00 |
| 01589440 | JONES FALLS AT SORRENTO, MD | 3.87 ft | 33.3 ft3/s | Above Normal | 88.37% | 222% | 171.47% | 2018-10-21 04:45:00 |
| 01589485 | JONES FALLS AT MOUTH AT BALTIMORE, MD | -0.62 ft | 22.2 ft3/s | Not Ranked | 2018-10-21 04:30:00 | |||
| 01589500 | SAWMILL CREEK AT GLEN BURNIE, MD | 2.08 ft | 6.87 ft3/s | Above Normal | 83.84% | 159.03% | 150% | 2018-10-21 04:45:00 |
| 01589512 | SAWMILL CREEK AT CRAIN HWY AT GLEN BURNIE, MD | 0 ft | 6.4 ft3/s | Not Ranked | 60% | 133.33% | 116.15% | 1994-11-08 23:45:00 |
| 01589795 | SOUTH FORK JABEZ BRANCH AT MILLERSVILLE, MD | 4.21 ft | 0.61 ft3/s | Not Ranked | 95.45% | 196.77% | 196.77% | 2018-10-21 04:55:00 |
| 01591000 | PATUXENT RIVER NEAR UNITY, MD | 2.52 ft | 51.5 ft3/s | Much Above Normal | 90.34% | 321.88% | 231.77% | 2018-10-21 04:45:00 |
| 01591400 | CATTAIL CREEK NEAR GLENWOOD, MD | 1.21 ft | 39.3 ft3/s | Much Above Normal | 91.44% | 302.31% | 219.06% | 2018-10-21 04:45:00 |
| 01591610 | PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD | 2.3 ft | 182 ft3/s | Much Above Normal | 92.13% | 308.47% | 233.3% | 2018-10-21 04:45:00 |
| 01591700 | HAWLINGS RIVER NEAR SANDY SPRING, MD | 0.8 ft | 28.2 ft3/s | Above Normal | 82.85% | 256.36% | 143.8% | 2018-10-21 04:45:00 |
| 01592500 | PATUXENT RIV NEAR LAUREL, MD | 5.57 ft | 192 ft3/s | Much Above Normal | 96.32% | 960% | 538.57% | 2018-10-21 04:30:00 |
| 01593370 | L PAX RIV TRIB ABOVE WILDE LAKE AT COLUMBIA, MD | 1.73 ft | 0.69 ft3/s | Not Ranked | 72.29% | 164.29% | 125.45% | 2018-10-21 04:02:00 |
| 01593450 | L PAX RIV TRIB ABOVE LAKE ELKHORN NR GUILFORD, MD | 1.11 ft | 2.41 ft3/s | Not Ranked | 72.69% | 354.41% | 172.14% | 2018-10-21 04:00:00 |
| 01593500 | LITTLE PATUXENT RIVER AT GUILFORD, MD | 2.8 ft | 36.6 ft3/s | Above Normal | 81.65% | 227.33% | 115.24% | 2018-10-21 04:00:00 |
| 01594000 | LITTLE PATUXENT RIVER AT SAVAGE, MD | 3.41 ft | 69.1 ft3/s | Normal | 73.63% | 158.85% | 81.53% | 2018-10-21 04:15:00 |
| 01594440 | PATUXENT RIVER NEAR BOWIE, MD | 6.45 ft | 449 ft3/s | Above Normal | 88.57% | 311.81% | 172.5% | 2018-10-21 04:45:00 |
| 01594526 | WESTERN BRANCH AT UPPER MARLBORO, MD | Eqp ft | Eqp | Not Ranked | 2018-10-19 02:15:00 | |||
| 01594930 | LAUREL RUN AT DOBBIN RD NEAR WILSON, MD | 0 ft | 7.2 ft3/s | Not Ranked | 50% | 100% | 39.34% | 2004-09-30 23:45:00 |
| 01594950 | MCMILLAN F NEAR FORT PENDLETON, MD | 0.99 ft | 7.64 ft3/s | Much Above Normal | 92.47% | 1910% | 444.19% | 2018-10-21 04:30:00 |
| 01595000 | NORTH BRANCH POTOMAC RIVER AT STEYER, MD | 3.12 ft | 290 ft3/s | Much Above Normal | 92.58% | 740.74% | 339.1% | 2018-10-21 04:15:00 |
| 01595500 | NORTH BRANCH POTOMAC RIVER AT KITZMILLER, MD | 3.5 ft | 503 ft3/s | Much Above Normal | 91.39% | 513.27% | 291.1% | 2018-10-21 04:15:00 |
| 01595790 | BLOOMINGTON LAKE NEAR ELK GARDEN, WV | 1456.42 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01596500 | SAVAGE RIVER NEAR BARTON, MD | 2.31 ft | 192 ft3/s | Much Above Normal | 95.86% | 2513.09% | 739.6% | 2018-10-21 04:15:00 |
| 01597490 | SAVAGE RIVER RESERVOIR NEAR BLOOMINGTON, MD | 1454.18 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01597500 | SAVAGE RIV BL SAVAGE RIV DAM NEAR BLOOMINGTON, MD | 1.49 ft | 193 ft3/s | Much Above Normal | 92.11% | 284.24% | 192.19% | 2018-10-21 04:15:00 |
| 01598500 | NORTH BRANCH POTOMAC RIVER AT LUKE, MD | 2.44 ft | 692 ft3/s | Much Above Normal | 91.05% | 274.06% | 220.93% | 2018-10-21 04:00:00 |
| 01599000 | GEORGES CREEK AT FRANKLIN, MD | 3.93 ft | 107 ft3/s | Much Above Normal | 90.44% | 995.35% | 343.17% | 2018-10-21 04:45:00 |
| 01601420 | HOFFMAN DRAINAGE TUNNEL AT CLARYSVILLE, MD | 2.2 ft | 26 ft3/s | Not Ranked | 75% | 154.76% | 151.78% | 2018-10-21 04:05:00 |
| 01601500 | WILLS CREEK NEAR CUMBERLAND, MD | 2.95 ft | 279 ft3/s | Above Normal | 85.63% | 697.5% | 192.65% | 2018-10-21 04:00:00 |
| 01603000 | NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND, MD | 3.42 ft | 1160 ft3/s | Above Normal | 85.25% | 358.02% | 194.46% | 2018-10-21 04:15:00 |
| 01609000 | TOWN CREEK NEAR OLDTOWN, MD | 2.73 ft | 100 ft3/s | Above Normal | 87.31% | 645.16% | 141.44% | 2018-10-21 04:30:00 |
| 01610000 | POTOMAC RIVER AT PAW PAW, WV | 6.21 ft | 2490 ft3/s | Above Normal | 85.22% | 372.2% | 184.12% | 2018-10-21 04:15:00 |
| 01610155 | SIDELING HILL CREEK NEAR BELLEGROVE, MD | 1.17 ft | 41.4 ft3/s | Not Ranked | 77.13% | 706.48% | 78.08% | 2018-10-21 04:00:00 |
| 01613000 | POTOMAC RIVER AT HANCOCK, MD | 4.79 ft | 2920 ft3/s | Above Normal | 83.21% | 372.92% | 163.85% | 2018-10-21 04:15:00 |
| 01613095 | TONOLOWAY CREEK NEAR HANCOCK, MD | 2.34 ft | 54.5 ft3/s | Not Ranked | 84.61% | 431.85% | 257.68% | 2018-10-21 04:45:00 |
| 01613525 | LICKING CREEK AT PECTONVILLE, MD | 2.25 ft | 181 ft3/s | Not Ranked | 86.94% | 349.42% | 278.98% | 2018-10-21 04:00:00 |
| 01614500 | CONOCOCHEAGUE CREEK AT FAIRVIEW, MD | 2.97 ft | 680 ft3/s | Above Normal | 87.09% | 459.46% | 201.6% | 2018-10-21 04:45:00 |
| 01617800 | MARSH RUN AT GRIMES, MD | 1.42 ft | 24.9 ft3/s | Much Above Normal | 91.75% | 508.16% | 318.01% | 2018-10-21 04:15:00 |
| 01619000 | ANTIETAM CREEK NEAR WAYNESBORO, PA | 2.86 ft | 139 ft3/s | Above Normal | 89.42% | 330.95% | 206.69% | 2018-10-21 04:45:00 |
| 01619500 | ANTIETAM CREEK NEAR SHARPSBURG, MD | 3.36 ft | 468 ft3/s | Much Above Normal | 94.17% | 368.5% | 253.74% | 2018-10-21 04:15:00 |
| 01636845 | LITTLE CATOCTIN CREEK NEAR ROSEMONT, MD | 1.68 ft | 3.29 ft3/s | Not Ranked | 66.67% | 483.82% | 483.82% | 2018-10-21 04:35:00 |
| 01636846 | LITTLE CATOCTIN CREEK AT ROSEMONT, MD | 1.55 ft | 5.42 ft3/s | Not Ranked | 66.67% | 742.47% | 742.47% | 2018-10-21 04:35:00 |
| 01637500 | CATOCTIN CREEK NEAR MIDDLETOWN, MD | 2.01 ft | 60.3 ft3/s | Above Normal | 87.5% | 458.56% | 177.46% | 2018-10-21 04:45:00 |
| 01638500 | POTOMAC RIVER AT POINT OF ROCKS, MD | 3.32 ft | 8920 ft3/s | Above Normal | 86.15% | 396.44% | 156% | 2018-10-21 04:45:00 |
| 01639000 | MONOCACY RIVER AT BRIDGEPORT, MD | 2.74 ft | 76.1 ft3/s | Normal | 72.65% | 345.91% | 66.86% | 2018-10-21 04:30:00 |
| 01639500 | BIG PIPE CREEK AT BRUCEVILLE, MD | 1.63 ft | 124 ft3/s | Above Normal | 87.99% | 344.44% | 191.65% | 2018-10-21 04:00:00 |
| 01642190 | MONOCACY RIVER AT MONOCACY BLVD AT FREDERICK, MD | 3.36 ft | 654 ft3/s | Not Ranked | 80.37% | 222.45% | 145.23% | 2018-10-21 04:15:00 |
| 01642198 | CARROLL CREEK NEAR FREDERICK, MD | 2.48 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01642199 | CARROLL CREEK ABOVE ROCK CREEK AT FREDERICK, MD | 2.4 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01643000 | MONOCACY RIVER AT JUG BRIDGE NEAR FREDERICK, MD | 3.06 ft | 827 ft3/s | Above Normal | 83.08% | 407.39% | 155.83% | 2018-10-21 04:30:00 |
| 01643395 | SOPER BRANCH AT HYATTSTOWN, MD | 0.39 ft | 1.98 ft3/s | Not Ranked | 92.86% | 360% | 335.59% | 2018-10-21 04:55:00 |
| 01643500 | BENNETT CREEK AT PARK MILLS, MD | 1.91 ft | 74.9 ft3/s | Above Normal | 86.02% | 354.98% | 178.59% | 2018-10-21 04:45:00 |
| 01644148 | POTOMAC RIVER AT EDWARDS FERRY NEAR POOLESVILLE,MD | 5.71 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 01644371 | LITTLE SENECA CREEK TRIBUTARY NEAR CLARKSBURG, MD | 4.52 ft | 0.88 ft3/s | Not Ranked | 92.86% | 258.82% | 231.58% | 2018-10-21 04:00:00 |
| 01644372 | LITTLE SENECA CREEK TRIBUTARY AT BRINK, MD | 4.91 ft | 0.63 ft3/s | Not Ranked | 90.44% | 450% | 315% | 2018-10-21 04:55:00 |
| 01644375 | LITTLE SENECA CREEK TRIBUTARY NEAR GERMANTOWN, MD | 0.59 ft | 0.72 ft3/s | Not Ranked | 31.11% | 66.67% | 67.29% | 2018-10-21 04:55:00 |
| 01644380 | CABIN BRANCH NEAR BOYDS, MD | 4.54 ft | 1.29 ft3/s | Not Ranked | 86.78% | 477.78% | 268.75% | 2018-10-21 04:00:00 |
| 01644388 | TENMILE CREEK NEAR CLARKSBURG, MD | 2.82 ft | 2.81 ft3/s | Not Ranked | 80% | 624.44% | 439.06% | 2018-10-21 04:00:00 |
| 01644390 | TENMILE CREEK NEAR BOYDS, MD | 2.46 ft | 4.87 ft3/s | Not Ranked | 82.86% | 523.66% | 267.58% | 2018-10-21 04:30:00 |
| 01645000 | SENECA CREEK AT DAWSONVILLE, MD | 2.31 ft | 109 ft3/s | Above Normal | 82.43% | 227.08% | 147.74% | 2018-10-21 04:50:00 |
| 01646500 | POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA | 3.99 ft | 10300 ft3/s | Above Normal | 84.04% | 417% | 173.85% | 2018-10-21 04:45:00 |
| 01647850 | TURKEY BRANCH NEAR ROCKVILLE, MD | 4.43 ft | 1.27 ft3/s | Not Ranked | 73.24% | 235.19% | 138.04% | 2018-10-21 04:50:00 |
| 01649150 | PAINT BRANCH TRIBUTARY NEAR COLESVILLE, MD | 1.7 ft | 0.82 ft3/s | Not Ranked | 90.91% | 200% | 195.24% | 2018-10-21 04:50:00 |
| 01649190 | PAINT BRANCH NEAR COLLEGE PARK, MD | 1.65 ft | 6.3 ft3/s | Not Ranked | 66.19% | 128.83% | 119.54% | 2018-10-21 04:35:00 |
| 01649500 | NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD | 0.86 ft | 36 ft3/s | Normal | 63.68% | 150% | 56.44% | 2018-10-21 04:35:00 |
| 01650500 | NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD | 1.64 ft | 11.4 ft3/s | Normal | 71.36% | 126.67% | 104.2% | 2018-10-21 04:45:00 |
| 01650800 | SLIGO CREEK NEAR TAKOMA PARK, MD | 0.95 ft | 6.52 ft3/s | Not Ranked | 80.7% | 360.22% | 179.12% | 2018-10-21 04:15:00 |
| 01651000 | NORTHWEST BR ANACOSTIA RIVER NR HYATTSVILLE, MD | 1.48 ft | 34.9 ft3/s | Above Normal | 78.62% | 290.83% | 94.32% | 2018-10-21 04:30:00 |
| 01651730 | BEAVERDAM CREEK NEAR CHEVERLY, MD | 0.15 ft | 5.45 ft3/s | Not Ranked | 2018-10-21 04:35:00 | |||
| 01653600 | PISCATAWAY CREEK AT PISCATAWAY, MD | 3.17 ft | 56 ft3/s | Above Normal | 84.48% | 789.84% | 172.63% | 2018-10-21 04:30:00 |
| 01658000 | MATTAWOMAN CREEK NEAR POMONKEY, MD | 2.54 ft | 31 ft3/s | Above Normal | 89.46% | 1127.27% | 150.93% | 2018-10-21 04:45:00 |
| 01660920 | ZEKIAH SWAMP RUN NEAR NEWTOWN, MD | 2.22 ft | 135 ft3/s | Above Normal | 83.53% | 750% | 215.65% | 2018-10-21 04:15:00 |
| 01661050 | ST CLEMENT CREEK NEAR CLEMENTS, MD | 0.96 ft | 22.3 ft3/s | Above Normal | 84.84% | 524.71% | 206.86% | 2018-10-21 04:15:00 |
| 01661500 | ST MARYS RIVER AT GREAT MILLS, MD | 1.56 ft | 11 ft3/s | Normal | 72.63% | 186.44% | 79.19% | 2018-10-21 04:30:00 |
| 03075500 | YOUGHIOGHENY RIVER NEAR OAKLAND, MD | 3.31 ft | 511 ft3/s | Much Above Normal | 92.96% | 929.09% | 352.83% | 2018-10-21 04:15:00 |
| 03075825 | NORTH GLADE RUN NEAR SWANTON, MD | 2.71 ft | 6.64 ft3/s | Not Ranked | 66.67% | 1185.71% | 1185.71% | 2018-10-21 04:15:00 |
| 03075850 | ARROWHEAD RUN AT THAYERVILLE, MD | 2.96 ft | 2.84 ft3/s | Not Ranked | 2018-10-21 04:15:00 | |||
| 03075905 | CHERRY CREEK AT STATE PARK ROAD NEAR MCHENRY, MD | 2.89 ft | 35.2 ft3/s | Not Ranked | 91.67% | 834.12% | 516.13% | 2018-10-21 04:15:00 |
| 03076100 | YOUGHIOGHENY RIVER AT HOYES, MD | 3.66 ft | 675 ft3/s | Not Ranked | 79.8% | 553.28% | 227.43% | 2018-10-21 04:45:00 |
| 03076500 | YOUGHIOGHENY RIVER AT FRIENDSVILLE, MD | 3.26 ft | 701 ft3/s | Much Above Normal | 90.78% | 414.79% | 223.63% | 2018-10-21 04:45:00 |
| 03076600 | BEAR CREEK AT FRIENDSVILLE, MD | 2.32 ft | 122 ft3/s | Much Above Normal | 95.2% | 976% | 393.8% | 2018-10-21 04:30:00 |
| 03078000 | CASSELMAN RIVER AT GRANTSVILLE, MD | 1.74 ft | 172 ft3/s | Much Above Normal | 95.16% | 905.26% | 396.77% | 2018-10-21 04:30:00 |
| 0148471320 | BIRCH BRANCH AT SHOWELL, MD | 4.17 ft | 3.69 ft3/s | Not Ranked | 61.79% | 135.66% | 111.14% | 2018-10-21 04:45:00 |
| 0148472405 | BUNTINGS GUT NEAR CEDARTOWN, MD | -0.31 ft | 0 ft3/s | Not Ranked | 0000-00-00 00:00:00 | |||
| 0158175320 | WHEEL CREEK NEAR ABINGDON, MD | 3.9 ft | 0.4 ft3/s | Not Ranked | 40% | 85.11% | 80% | 2018-10-21 04:50:00 |
| 0158397967 | MINEBANK RUN NEAR GLEN ARM, MD | 4.25 ft | 1.23 ft3/s | Not Ranked | 61% | 126.8% | 105.13% | 2018-10-21 04:50:00 |