Swimming Pools & Spas in Nashua, NH (2026)
4 verified swimming pools & spas rules for Nashua, New Hampshire, sourced directly from the municipal code and official government pages.
Verified from official government sources
Pool Permits
Residential swimming pool permits in Nashua are issued by the Department of Building Safety under NRO Chapter 105, which adopts the 2021 International Building Code, 2021 International Residential Code, and 2021 International Swimming Pool and Spa Code per New Hampshire's State Building Code (RSA 155-A, as updated by HB 1681 effective December 31, 2024). NRO Sec. 105-22.A.(2) treats 'in-ground swimming pools' as part of the building permit fee schedule (residential at $0.18 per square foot, $50 application fee). Electrical permits for in-ground pools cost $60 per NRO Sec. 105-22.C.(1)(g). Public pools are also regulated by NH DES under RSA 485-A:26 and Env-Wq 1100 per NRO Sec. 105-26.B.
Swimming Pool Permits in Nashua
Heavy RestrictionsFencing Requirements
Residential pool fencing in Nashua follows the 2021 ISPSC adopted under NRO Sec. 105-25 (per RSA 155-A as updated by HB 1681, effective December 31, 2024). ISPSC Section 305.2.1 requires the barrier to be 'not less than 48 inches above grade' on the side facing away from the pool. Section 305.3 prohibits openings allowing passage of a 4-inch sphere. Section 305.5 requires self-closing, self-latching gates that open outward, with the release on the pool side at least 3 inches below the top when the release is below 54 inches. Section 305.6 governs dwelling walls used as part of the barrier.
Pool Fencing Requirements in Nashua
Heavy RestrictionsSafety Rules
Residential pool safety in Nashua is governed by the 2021 ISPSC adopted under NRO Sec. 105-25. Key safety provisions: 48-inch barrier (Sec. 305.2.1), 4-inch sphere rule (Sec. 305.3), self-closing/self-latching gates that open outward (Sec. 305.5), dwelling-wall doors leading to the pool must have an alarm meeting UL 2017 or be self-closing/self-latching (Sec. 305.6), and an approved safety pool cover meeting ASTM F1346 may serve as an alternative for hot tubs and spas. Public pools also follow RSA 485-A:26 and NH DES Env-Wq 1100 per NRO Sec. 105-26.B, including federal Virginia Graeme Baker Pool and Spa Safety Act drain-cover requirements.
Swimming Pool Safety Rules in Nashua
Heavy RestrictionsHot Tub Rules
Hot tubs and spas in Nashua follow the 2021 ISPSC adopted under NRO Sec. 105-25 (per RSA 155-A). Under ISPSC Section 305.7, spas and hot tubs equipped with a safety cover that complies with ASTM F1346 are exempt from the barrier provisions of Section 305 (the 48-inch fence requirement). A building permit through the Department of Building Safety is required for installation; electrical permits per NRO Sec. 105-22.C apply. Public spas (e.g., commercial, hotel, or HOA spas serving 15+ dwellings) are additionally regulated by NH DES under RSA 485-A:26 and Env-Wq 1100 per NRO Sec. 105-26.B.
Hot Tub and Spa Rules in Nashua
Some RestrictionsLooking for Hillsborough County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Nashua city rules.
Swimming Pools & Spas in Hillsborough County →