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Document ID us-hdphts-2017-09 Title How to Drain a Pool, Hot Tub & Spa URL https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-143 Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-13 11:55:25.987196+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (0)

No qualitative requirements.

P Quantitative Requirements (6)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#R001chemicalunknownmandatoryChlorine discharge limit for storm sewersrecreational water, aquatic liferequirement<= 0.01 mg/LDischarge of private pool, hot tub, or spa water to the storm sewer systemWater must be dechlorinated first; discharge should not be done on a rainy dayhigh
#R002chemicalunknownmandatoryBromine discharge limit for storm sewersrecreational water, aquatic liferequirement<= 0.01 mg/LDischarge of private pool, hot tub, or spa water to the storm sewer systemDischarge should not be done on a rainy dayhigh
#R003chemicalunknownmandatoryCopper discharge limit for storm sewersrecreational water, aquatic liferequirement<= 0.04 mg/LDischarge of private pool, hot tub, or spa water to the storm sewer systemDischarge should not be done on a rainy dayhigh
#R004physicalunknownmandatorypH discharge range for storm sewersrecreational water, aquatic liferequirement6 to 9.5 pHDischarge of private pool, hot tub, or spa water to the storm sewer systemMuriatic Acid cleaning must be neutralized to these limits before dischargehigh
#R005unknownunknownmandatoryPrivate pool definition thresholdrecreational waterrequirement<= 5 single-family residencesDefinition of a private pool, hot tub or spahigh
#R006unknownunknownmandatoryCommercial pool definition thresholdrecreational waterrequirement> 5 units or suitesDefinition of a commercial pool, hot tub or spahigh

D Definitions (0)

No definitions.