Thank you for reporting this issue to the City of Cambridge. Unfortunately, the City is not responsible for addressing issues on state property, but we've shared this report with the Massachusetts Dept. of Conservation & Recreation (DCR) and asked them to address. Please contact DCR Community Relations at 617-626-1250 / Mass.parks@mass.gov for direct follow-up about this. Tell us how we're doing by completing a short survey at www.surveymonkey.com/r/CambServiceRequests