Water Use Rules in Missouri (2026)
4 rules on the books across Missouri, 3 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Recycled Water Rules
Where purple-pipe recycled water is required for irrigation, dual-plumbing requirements for new construction, and cross-connection-control rules.
Leak Reporting Duty
Property owner's duty to report and repair water leaks within a set window once notified, plus how utilities issue leak-adjustment credits and impose penalties.
Kirkwood
Some RestrictionsKirkwood's water code puts the burden of fixing a leaking service pipe on the property owner. When the Director of…
Read full rule →O Fallon
Some RestrictionsO'Fallon requires property owners to promptly repair any break or leak in their water service line, sewer lateral or…
Read full rule →St. Louis
Some RestrictionsSt. Louis's Water Division must repair a leaking underground service line, from the water main through the T-head valve…
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