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Fish consumption advisories

Massachusetts

Massachusetts publishes advisories for 276 waters, covering 737 species-and-size recommendations.

Contaminants of concern: Chlordane, DDT, Dioxins, Lead, Mercury, PAHs, PCBs, Pesticides, PFAS

Statewide advisory

These apply across Massachusetts, including waters with no specific advisory of their own.

  • All Other Species Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: do not eat due to elevated Mercury. Statewide (unevaluated waters)

Waters with advisories in Massachusetts

276 waters on file. A water not listed here has no advisory in the state's data — which usually means it has never been sampled, not that it's been cleared.

Lakes 215

Reservoirs 30

Rivers 31

Massachusetts statewide fishing limits

Statewide defaults — specific waters and zones may differ. Verify the current rules before keeping a fish.

SpeciesSizeDaily limitOpen seasonKeep season
Largemouth Bass 12" min 5 Year-round Same as open
Smallmouth Bass 12" min 5 Year-round Same as open
Northern Pike 28" min 2 Year-round Same as open
Chain Pickerel 15" min 5 Year-round Same as open
Walleye 14" min 5 Year-round Same as open
Inland Trout 3 Year-round Same as open

Official rules: Massachusetts — Massachusetts DFW

Where this comes from

Advisories
Massachusetts DPH — Freshwater Fish Consumption Advisory List
Regulations
Massachusetts — Massachusetts DFW
All sources
Every state's official source