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Water Quality Portal Data Sites for OLMS

242
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

This organization has 242 sites. Click on a grouped icon to zoom and expand


- Acton Lake - OLMS-10 (Lake, Reservoir, Impoundment)
- Berlin Reservoir - OLMS-100 (Lake, Reservoir, Impoundment)
- Pine Lake - OLMS-1000 (Lake, Reservoir, Impoundment)
- Pine Hill Lake - OLMS-1010 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-1 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-101 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-102 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-2 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-201 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-3 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-4 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-5 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-6 (Lake, Reservoir, Impoundment)
- Pleasant Hill Reservoir - OLMS-1040-7 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-201 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-202 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-203 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-204 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-205 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-301 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-302 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-303 (Lake, Reservoir, Impoundment)
- Roaming Rock Shores Lake - OLMS-1080-304 (Lake, Reservoir, Impoundment)
- Rock Mill Lake - OLMS-1090 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110 (Lake, Reservoir, Impoundment)
- Rocky Fork Lake - OLMS-1100 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-10 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-201 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-202 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-203 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-204 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-205 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-206 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-207 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-208 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-209 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-210 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-8 (Lake, Reservoir, Impoundment)
- Buckeye Lake - OLMS-110-9 (Lake, Reservoir, Impoundment)
- Roosevelt Lake - OLMS-1110 (Lake, Reservoir, Impoundment)
- Rose Lake - OLMS-1120 (Lake, Reservoir, Impoundment)
- Salt Fork Reservoir - OLMS-1140 (Lake, Reservoir, Impoundment)
- Lake Buckhorn - OLMS-120 (Lake, Reservoir, Impoundment)
- Schrock Lake - OLMS-1200 (Lake, Reservoir, Impoundment)
- Camp Seneca Lake - OLMS-1215 (Lake, Reservoir, Impoundment)
- Seneca Lake - OLMS-1220 (Lake, Reservoir, Impoundment)
- Seneca Lake - OLMS-1220-101 (Lake, Reservoir, Impoundment)
- Seneca Lake - OLMS-1220-102 (Lake, Reservoir, Impoundment)
- Seneca Lake - OLMS-1220-103 (Lake, Reservoir, Impoundment)
- Shangri La Lake - OLMS-1230 (Lake, Reservoir, Impoundment)
- Lake Snowden - OLMS-1240 (Lake, Reservoir, Impoundment)
- Sites Lake - OLMS-1255-14 (Lake, Reservoir, Impoundment)
- Sites Lake - OLMS-1255-201 (Lake, Reservoir, Impoundment)
- Stonelick Lake - OLMS-1270 (Lake, Reservoir, Impoundment)
- Sunrise Lake - OLMS-1290 (Lake, Reservoir, Impoundment)
- Sunrise Lake - OLMS-1290-1 (Lake, Reservoir, Impoundment)
- Sunrise Lake - OLMS-1290-2 (Lake, Reservoir, Impoundment)
- Sunrise Lake - OLMS-1290-3 (Lake, Reservoir, Impoundment)
- TAMPEEL - OLMS-1315 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320-101 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320-102 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320-103 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320-104 (Lake, Reservoir, Impoundment)
- Tappan Lake - OLMS-1320-107 (Lake, Reservoir, Impoundment)
- Tanglewood Lake - OLMS-1340 (Lake, Reservoir, Impoundment)
- Turkey Creek - OLMS-1370 (Lake, Reservoir, Impoundment)
- Veto Lake - OLMS-1390 (Lake, Reservoir, Impoundment)
- BURR OAK LAKE (T. JENKINS RESV.) - OLMS-140 (Lake, Reservoir, Impoundment)
- Waibel Pond - OLMS-1410 (Lake, Reservoir, Impoundment)
- Best Lake - OLMS-1440 (Lake, Reservoir, Impoundment)
- West Lake - OLMS-1450 (Lake, Reservoir, Impoundment)
- Lake White - OLMS-1460 (Lake, Reservoir, Impoundment)
- Wills Creek Reservoir - OLMS-1470 (Lake, Reservoir, Impoundment)
- Wills Creek Reservoir - OLMS-1470-101 (Lake, Reservoir, Impoundment)
- Wills Creek Reservoir - OLMS-1470-102 (Lake, Reservoir, Impoundment)
- Wolf Run Reservoir - OLMS-1490 (Lake, Reservoir, Impoundment)
- Clarence J Brown Reservoir - OLMS-150 (Lake, Reservoir, Impoundment)
- Lake Waynoka - OLMS-1500 (Lake, Reservoir, Impoundment)
- Zeppernick Lake - OLMS-1510 (Lake, Reservoir, Impoundment)
- Silver Creek Reservoir - OLMS-1515 (Lake, Reservoir, Impoundment)
- Lake Katharine - OLMS-1520 (Lake, Reservoir, Impoundment)
- Holiday Lakes - OLMS-1550 (Lake, Reservoir, Impoundment)
- Holiday Lakes - OLMS-1550-201 (Lake, Reservoir, Impoundment)
- Holiday Lakes - OLMS-1550-202 (Lake, Reservoir, Impoundment)
- Holiday Lakes - OLMS-1550-203 (Lake, Reservoir, Impoundment)
- Bath Pond - OLMS-1560 (Lake, Reservoir, Impoundment)
- Crosley Lake - OLMS-1580 (Lake, Reservoir, Impoundment)
- Crystal Lake - OLMS-1590 (Lake, Reservoir, Impoundment)
- Crystal Lake - OLMS-1590-3 (Lake, Reservoir, Impoundment)
- Crystal Lake - OLMS-1590-4 (Lake, Reservoir, Impoundment)
- North Reservoir (Portage Lakes) - OLMS-1640 (Lake, Reservoir, Impoundment)
- Restful Lake - OLMS-1650 (Lake, Reservoir, Impoundment)
- Rex Lake (Portage Lakes) - OLMS-1660 (Lake, Reservoir, Impoundment)
- West Reservoir (Portage Lake) - OLMS-1720 (Lake, Reservoir, Impoundment)
- Meyers Lake - OLMS-1740 (Lake, Reservoir, Impoundment)
- Findlay Reservoir #1 - OLMS-1750 (Lake, Reservoir, Impoundment)
- Findlay Reservoir #2 - OLMS-1751 (Lake, Reservoir, Impoundment)
- Sunrise Lake - OLMS-178 (Lake, Reservoir, Impoundment)
- Candlewood Lake - OLMS-180 (Lake, Reservoir, Impoundment)
- Miami Whitewater Forest Lake - OLMS-1800 (Lake, Reservoir, Impoundment)
- Miami Whitewater Forest Lake - OLMS-1800-2 (Lake, Reservoir, Impoundment)
- Sharon - OLMS-1810 (Lake, Reservoir, Impoundment)
- Nimisila Reservoir - OLMS-1820 (Lake, Reservoir, Impoundment)
- Nimisila Reservoir - OLMS-1820-2 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-2 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-3 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-302 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-303 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-304 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-305 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-4 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-401 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-402 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-403 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-404 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-405 (Lake, Reservoir, Impoundment)
- East Reservoir (Portage Lakes) - OLMS-1830-406 (Lake, Reservoir, Impoundment)
- Miller Lake (Portage Lakes) - OLMS-1840 (Lake, Reservoir, Impoundment)
- Ohio & Erie Canal Pond - OLMS-1850 (Lake, Reservoir, Impoundment)
- Ohio & Erie Canal Pond - OLMS-1850-2 (Lake, Reservoir, Impoundment)
- Ohio & Erie Canal Pond - OLMS-1850-3 (Lake, Reservoir, Impoundment)
- Lake Medina - OLMS-1860 (Lake, Reservoir, Impoundment)
- Lake Medina - OLMS-1860-2 (Lake, Reservoir, Impoundment)
- Hower Lake (Portage Lakes) - OLMS-1870 (Lake, Reservoir, Impoundment)
- Sylvan Lake - OLMS-1880 (Lake, Reservoir, Impoundment)
- Sylvan Lake - OLMS-1880-2 (Lake, Reservoir, Impoundment)
- Sylvan Lake - OLMS-1880-3 (Lake, Reservoir, Impoundment)
- Sylvan Lake - OLMS-1880-4 (Lake, Reservoir, Impoundment)
- Dawes Lake - OLMS-1890 (Lake, Reservoir, Impoundment)
- Lake Cardinal - OLMS-190 (Lake, Reservoir, Impoundment)
- Red Barn Pond - OLMS-1900 (Lake, Reservoir, Impoundment)
- Trip Higgins Pond - OLMS-1910 (Lake, Reservoir, Impoundment)
- Hidden Lake - OLMS-1920 (Lake, Reservoir, Impoundment)
- Hidden Lake - OLMS-1920-2 (Lake, Reservoir, Impoundment)
- Hidden Lake - OLMS-1920-3 (Lake, Reservoir, Impoundment)
- Hidden Lake - OLMS-1920-4 (Lake, Reservoir, Impoundment)
- Caesar Creek Lake - OLMS-200 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-0 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-101 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-102 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-201 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-202 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-203 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-301 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-302 (Lake, Reservoir, Impoundment)
- Charles Mill Reservoir - OLMS-210-303 (Lake, Reservoir, Impoundment)
- Lake Choctaw - OLMS-220 (Lake, Reservoir, Impoundment)
- Lake Choctaw - OLMS-220-101 (Lake, Reservoir, Impoundment)
- Lake Choctaw - OLMS-220-102 (Lake, Reservoir, Impoundment)
- Lake Choctaw - OLMS-220-103 (Lake, Reservoir, Impoundment)
- Cinnamon Lake - OLMS-230 (Lake, Reservoir, Impoundment)
- Hammertown Lake - OLMS-246 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-201 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-202 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-203 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-204 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-205 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-206 (Lake, Reservoir, Impoundment)
- Clear Fork Reservoir - OLMS-250-301 (Lake, Reservoir, Impoundment)
- Clendening Lake - OLMS-260-101 (Lake, Reservoir, Impoundment)
- Clendening Lake - OLMS-260-102 (Lake, Reservoir, Impoundment)
- Clendening Lake - OLMS-260-103 (Lake, Reservoir, Impoundment)
- Corning Lake - OLMS-280 (Lake, Reservoir, Impoundment)
- Cowan Lake - OLMS-290 (Lake, Reservoir, Impoundment)
- Alum Creek Lake - OLMS-30 (Lake, Reservoir, Impoundment)
- Deer Creek Lake - OLMS-310 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323-201 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323-202 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323-203 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323-401 (Lake, Reservoir, Impoundment)
- Cottage Grove Lake (Portage Lake) - OLMS-323-402 (Lake, Reservoir, Impoundment)
- Delaware Lake - OLMS-330 (Lake, Reservoir, Impoundment)
- Dillon Reservoir - OLMS-340 (Lake, Reservoir, Impoundment)
- Dow Lake - OLMS-350 (Lake, Reservoir, Impoundment)
- Eagle Claw - OLMS-360 (Lake, Reservoir, Impoundment)
- East Fork Lake/William H. Harsha Lake (US COE) - OLMS-370 (Lake, Reservoir, Impoundment)
- Erie - OLMS-380 (Lake, Reservoir, Impoundment)
- Evans Lake - OLMS-390 (Lake, Reservoir, Impoundment)
- Apple Valley Lake - OLMS-40 (Lake, Reservoir, Impoundment)
- Fisherman's Pond 1 - OLMS-410 (Lake, Reservoir, Impoundment)
- Forked Run Lake - OLMS-430 (Lake, Reservoir, Impoundment)
- Fox - OLMS-440 (Lake, Reservoir, Impoundment)
- Fulton Pond - OLMS-450 (Lake, Reservoir, Impoundment)
- Geauga Lake - OLMS-460 (Lake, Reservoir, Impoundment)
- Grand Lake St. Marys - OLMS-490 (Lake, Reservoir, Impoundment)
- Grant Lake - OLMS-510 (Lake, Reservoir, Impoundment)
- Griggs Reservoir - OLMS-530 (Lake, Reservoir, Impoundment)
- Guilford Lake - OLMS-540 (Lake, Reservoir, Impoundment)
- Hargus Lake - OLMS-550 (Lake, Reservoir, Impoundment)
- Harrison Lake - OLMS-560 (Lake, Reservoir, Impoundment)
- Hoover Reservoir - OLMS-590 (Lake, Reservoir, Impoundment)
- Atwood Lake - OLMS-60 (Lake, Reservoir, Impoundment)
- Atwood Lake - OLMS-60-101 (Lake, Reservoir, Impoundment)
- Atwood Lake - OLMS-60-102 (Lake, Reservoir, Impoundment)
- Atwood Lake - OLMS-60-12 (Lake, Reservoir, Impoundment)
- Indian Lake - OLMS-610 (Lake, Reservoir, Impoundment)
- Jackson Lake - OLMS-620 (Lake, Reservoir, Impoundment)
- Jefferson Lake - OLMS-630 (Lake, Reservoir, Impoundment)
- Knox Lake - OLMS-650 (Lake, Reservoir, Impoundment)
- North Branch Kokosing River Lake - OLMS-660 (Lake, Reservoir, Impoundment)
- Lake Of The Four Seasons - OLMS-670 (Lake, Reservoir, Impoundment)
- Lake Lakengren - OLMS-680 (Lake, Reservoir, Impoundment)
- Leesville Lake - OLMS-710 (Lake, Reservoir, Impoundment)
- Leesville Lake - OLMS-710-101 (Lake, Reservoir, Impoundment)
- Leesville Lake - OLMS-710-102 (Lake, Reservoir, Impoundment)
- Lochmoor McMinn Lake - OLMS-740 (Lake, Reservoir, Impoundment)
- Lake Logan - OLMS-750 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760-2 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760-5 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760-6 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760-7 (Lake, Reservoir, Impoundment)
- Lake Lorelei - OLMS-760-8 (Lake, Reservoir, Impoundment)
- Lake Loramie - OLMS-770 (Lake, Reservoir, Impoundment)
- Lake Loramie - OLMS-770-10 (Lake, Reservoir, Impoundment)
- Madison Lake - OLMS-780 (Lake, Reservoir, Impoundment)
- Aurora Pond - OLMS-80 (Lake, Reservoir, Impoundment)
- Mineral Lake - OLMS-820 (Lake, Reservoir, Impoundment)
- Mud Lake (Portage Lakes) - OLMS-826-1 (Lake, Reservoir, Impoundment)
- Mud Lake (Portage Lakes) - OLMS-826-2 (Lake, Reservoir, Impoundment)
- Mud Lake (Portage Lakes) - OLMS-826-301 (Lake, Reservoir, Impoundment)
- Mud Lake (Portage Lakes) - OLMS-826-302 (Lake, Reservoir, Impoundment)
- Mohawk Lake - OLMS-850 (Lake, Reservoir, Impoundment)
- Lake Mohawk - OLMS-860 (Lake, Reservoir, Impoundment)
- Lake Mohawk - OLMS-860-101 (Lake, Reservoir, Impoundment)
- Lake Mohawk - OLMS-860-4 (Lake, Reservoir, Impoundment)
- Mogadore Reservoir - OLMS-861 (Lake, Reservoir, Impoundment)
- Mosquito Creek Reservoir - OLMS-870 (Lake, Reservoir, Impoundment)
- MT. GILEAD LAKE (LOWER) - OLMS-880 (Lake, Reservoir, Impoundment)
- Muzzy Lake - OLMS-890 (Lake, Reservoir, Impoundment)
- Nettle Lake - OLMS-910 (Lake, Reservoir, Impoundment)
- O'Shaughnessy Reservoir - OLMS-960 (Lake, Reservoir, Impoundment)
- Paint Creek Lake - OLMS-970 (Lake, Reservoir, Impoundment)
- Piedmont Lake - OLMS-990 (Lake, Reservoir, Impoundment)
- Piedmont Lake - OLMS-990-101 (Lake, Reservoir, Impoundment)
- Piedmont Lake - OLMS-990-102 (Lake, Reservoir, Impoundment)