Skip to main content

Hydrological Unit: Charles

HUC Name
0109000101 Plum Island Sound
0109000102 Ipswich River
0109000103 Essex River-Frontal Ipswich Bay
0109000104 Saugus River
0109000105 Mystic River
0109000106 Upper Charles River
0109000107 Lower Charles River
0109000108 Neponset River
0109000109 Hingham Bay
0109000110 Boston Harbor-Massachusetts Bay
Monitoring Locations