Tacoma's Relaxed Approach to Water Use Rules: What's Allowed

If you live in Tacoma or are thinking about moving there, water use rules are one of those things you probably won't think about until they affect you directly. Tacoma has 3 specific rules on the books covering different aspects of water use rules, and some of them might surprise you.

Leak Reporting Duty

Tacoma Water offers leak adjustment credits when customers repair an unseen plumbing leak within 60 days of detection, refunding a portion of the excess water and sewer charges.

Key details: Repair window: 60 days. Credit: About 50 percent excess. Frequency: Once per 12 months. Eligible: Hidden leaks only.

Failure to repair a known leak after notice can lead to disconnection under Tacoma Water service rules and full billing without adjustment.

Tacoma is more permissive than most cities when it comes to leak reporting duty. That said, there are still limits.

Lawn Watering Restrictions

Tacoma Water relies on the Green River and South Tacoma wells. During declared shortages it requests voluntary reductions of 10 to 20 percent, escalating to mandatory limits if drought worsens.

Key details: Utility: Tacoma Water public. Source: Green River, wells. Voluntary cut: 10 to 20 percent. Stages: Advisory to Emergency.

During mandatory stages, watering on the wrong day or in midday hours can draw warnings and surcharges added to the utility bill.

If you are coming from a city with tighter rules, you will find Tacoma gives residents more flexibility on lawn watering restrictions.

Recycled Water Rules

Tacoma produces Class A reclaimed water at the Central Wastewater Treatment Plant for industrial process use, dust control, and irrigation, governed by Washington Department of Ecology rules.

Key details: Class: Class A reclaimed. Plant: Central Treatment, Tideflats. State rule: WAC 173-219. Top use: Industrial cooling.

Cross connections with potable plumbing are serious violations carrying immediate disconnection and fines under WAC 246-290 cross-connection rules.

If you are coming from a city with tighter rules, you will find Tacoma gives residents more flexibility on recycled water rules.

The Bottom Line

Compared to many U.S. cities, Tacoma gives residents more room on water use rules. 3 of the 3 rules here are rated permissive. But permissive does not mean unregulated. There are still requirements, and the city does enforce them when violations are reported.

All of the above reflects Tacoma's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.