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🧱 Fence Regulations/Pool Barriers

Pool Barriers: Lowell vs Waltham

How do pool barriers rules compare between Lowell, MA and Waltham, MA?

Lowell and Waltham have similar restriction levels.

Lowell, MA

Middlesex County

Heavy Restrictions

All residential swimming pools in Lowell must be enclosed by a barrier at least 48 inches tall with self-closing, self-latching gates, per 780 CMR.

View full Lowell rules β†’

Waltham, MA

Middlesex County

Heavy Restrictions

Waltham pool barriers must comply with 780 CMR requiring 48-inch fencing with self-closing self-latching gates around all pools over 24 inches deep.

View full Waltham rules β†’

Key Facts Comparison

FactLowellWaltham
Minimum height48 inches-
State code780 CMR Appendix V-
Gate requirementSelf-closing, self-latching, outward-
Latch height54 inches minimum-
Opening limitNo passage of 4-inch sphere-
State Code-780 CMR Ch. 31
Barrier Height-48 inches minimum
Depth Trigger-Over 24 inches
Gate Rule-Self-close self-latch out-swing
Hot Tub-ASTM F1346 cover

Highlighted rows indicate differences between cities.

Lowell FAQ

Does an inflatable pool need a fence?

Yes, if it holds more than 24 inches of water. Small kiddie pools are exempt.

Can my house wall be part of the barrier?

Yes, but doors from the house to the pool must have alarms or the pool must have a code-compliant safety cover.

Waltham FAQ

Does my inflatable pool need a fence?

Yes if over 24 inches deep, Massachusetts makes no exception.

Can my house wall count as a barrier?

Partially, but pool-facing doors need alarms or self-closing devices.

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