Code of Massachusetts Regulations 313 CMR - DIVISION OF WATER SUPPLY PROTECTION
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Here’s a structured summary of 313 CMR – Division of Water Supply Protection under the Massachusetts Code of Regulations:
🛡️ Regulation Scope: 313 CMR
This part of the CMR includes two main regulatory areas (law.cornell.edu, mass.gov):
• 313 CMR 4.00 – Interbasin Transfer
Governs transfer of water or wastewater between river basins (law.cornell.edu).
Sections include:
Definitions (e.g., “7Q10 flow”, “Emergency Connection”) (law.cornell.edu)
Procedures for basin delineation, applicability determination, exemptions, and approval hearings (law.cornell.edu).
• 313 CMR 11.00 – Watershed Protection
Implements the Watershed Protection Act (MGL c 92A½) as administered by DCR’s Division of Water Supply Protection (mass.gov).
Key sections encompass:
Purpose and authority (§11.01–11.02)
Legal definitions (§11.03) (regulations.justia.com, law.cornell.edu)
Geographic jurisdiction (§11.04)
Exemptions (§11.05)
Application, variance, and advisory procedures (§11.06)
Mapping requirements (§11.07)
Relationship to other regulations (§11.08)
General rules and enforcement (§11.09–11.10)
Severability and forms (§11.11–11.12)
Deer management around Quabbin Reservoir (§11.13) (casetext.com, law.cornell.edu, regulations.justia.com)
🗺️ Watershed Protections & Maps
Jurisdiction: Applies to land within reservoir buffers, critical tributaries, certain aquifers, floodplains, and wetlands in the Quabbin, Wachusett, and Ware watersheds (mass.gov).
Protection zones:
Primary: no alteration within 400 ft of reservoirs and 200 ft of tributaries.
Secondary: regulated activities within adjacent floodplains, wetlands, and aquifers (mass.gov).
Mapping: Detailed maps and GIS layers (Zone I & II) available via MassGIS for wellhead and watershed delineation (mass.gov).
⚙️ Procedural Requirements
Applicants seeking variances or exemptions must:
Provide detailed site plans, topography (1" = 100'), slope, hydrogeologic data, and water quality impact analysis (mass.gov).
Include mitigation strategies, alternative analysis, and attend a public hearing within 30 days of submission (mass.gov).
🦌 Special and Enforcement Provisions
Deer management: Regulates hunting in the Quabbin area upon DCR permit under §11.13 (casetext.com).
Enforcement (§11.09–11.10): The Division can issue stop‑work orders, impose penalties, or revoke permits for violations. Regulatory authority references MGL c. 92A½ (law.cornell.edu).
📥 Where to Access the Regulations
Official PDF of 313 CMR 11.00 available via Mass.gov for full text download (mass.gov).
Cornell LII and Justia also host text versions, though checking official Mass.gov updates is recommended for accuracy (law.cornell.edu).
Maps and GIS data (MassDep wellhead zones, watershed overlays) are accessible through MassGIS (mass.gov).
✅ Summary Table
CMR Part
Focus Area
4.00
Control of interbasin water transfer
4.02
Definitions (flow, basin, emergency)
11.00
Watershed protection rules & zones
11.03
Legal definitions
11.04–11.06
Jurisdiction, exemptions, procedures
11.07
Mapping standards
11.09
Enforcement & general protections
11.13
Deer management in Quabbin
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