Water restrictions in Allentown, PA — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
Allentown has no permanent day-of-week or time-of-day lawn-watering ordinance. Outdoor watering is restricted only when the Governor declares a drought emergency, at which point Pennsylvania's statewide nonessential-water-use ban (4 Pa. Code Chapter 119) prohibits watering grass except for narrow exceptions. The Lehigh County Authority (LCA), which supplies Allentown, issues its own voluntary or mandatory conservation requests tied to the state drought status.
Allentown does not impose permanent calendar-based lawn-watering limits. Instead, mandatory outdoor-watering restrictions are triggered by Pennsylvania's drought-emergency framework. Under 4 Pa. Code Chapter 119 (Prohibition of Nonessential Water Uses in a Commonwealth Drought Emergency Area), once the Governor declares a drought or water-shortage emergency, the use of any water for watering grass is prohibited statewide except for limited cases such as newly seeded or sodded grass (hand-watered between 5 p.m. and 9 a.m.), professional landscaper work, brief irrigation-system testing (15 minutes per zone), and one-time grub control. Section 119.4(3) applies the same evening-only, hand-watering rule to outdoor gardens, landscaped areas, trees, shrubs and other outdoor plants. These rules are issued under the Emergency Management Services Code, 35 Pa.C.S. The PA Department of Environmental Protection administers the drought-declaration system (Normal, Drought Watch, Drought Warning, Drought Emergency); only a Drought Emergency carries enforceable statewide restrictions. For Allentown specifically, water service is provided by the Lehigh County Authority, which monitors DEP drought status and asks customers to voluntarily reduce use (for example, a 5% voluntary reduction during a Drought Watch) and can impose tighter limits during a declared emergency.
During a declared drought emergency, violations of the statewide nonessential-water-use ban are summary offenses under 4 Pa. Code Chapter 119 and the Emergency Management Services Code (35 Pa.C.S. Section 7707), enforceable by law enforcement. Outside an emergency, LCA conservation requests are generally voluntary unless LCA imposes contractual or tariff-based restrictions on its customers.
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