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Region
- ArizonaMaricopa County2
- ArizonaSalt River Valley (Gila County and Maricopa County)2
- NevadaHumboldt River Watershed2
- New JerseyRancocas Creek Watershed2
- New York (State)Cattaraugus County2
- Northern Mariana IslandsSaipan2
- Alamosa River (Colo.)1
- American SamoaTutuila Island1
- ArizonaPinal County1
- ArizonaTucson Aqueduct1
- ColoradoConejos County1
- ColoradoJackson County1
- ColoradoNorth Park Region1
- Columbia Plateau1
- FloridaBay County1
- FloridaFive-O, Lake, Region1
- FloridaHillsborough County1
- Gallatin River Watershed (Wyo. and Mont.)1
- Indiana1
- IndianaLaPorte County1