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Rockville, MD Water Use Rules: Recycled Water Rules (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Rockville City Code § 24-6(b)(2)
Exempt facilities
Commercial car washes using recycled water
Restricted activity
Washing vehicles during declared restrictions
Applies only when
Mandatory or voluntary restriction is declared

Summary

Rockville exempts commercial vehicle washing facilities that use recycled water from the city's water-restriction ban on washing cars, trucks, and trailers during declared shortages.

Restricted use or absolute curtailment of water use for certain nonessential use include:(1)The use of hoses, sprinkler, or other means for sprinkling or watering of shrubbery, trees, lawns, grass, plants, vines, gardens, vegetables, flowers, or any other vegetation;(2)The use of water for washing automobiles, trucks, trailers, trailer houses, or any other type of mobile equipment, except for commercial vehicle washing facilities that utilize recycled water;(3)The washing of streets, driveways, parking lots, service station aprons, office buildings, exterior of homes, sidewalks, apartments, or other structures making a similar use of water;(4)The use of water for filling swimming and wading pools;(5)The operation of any water-cooled comfort air-conditioning which does not have water conserving equipment.(c)Notwithstanding the above, the Director may issue water restrictions, including water shut-offs, due to operational and maintenance conditions not affecting the entire water and/or sewer system(s). (Ord. No. 19-19, 7-8-19)

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 17 Update 1).

Full Breakdown

City Code § 24-6(b) lists the nonessential water uses barred once the City Manager declares mandatory or voluntary water restrictions, including washing automobiles, trucks, trailers, trailer houses, or any other type of mobile equipment. The ordinance carves out one exception to that washing ban: commercial vehicle washing facilities that utilize recycled water are not subject to it. The exemption exists only inside the water-restriction framework in Chapter 24, it does not create a separate citywide recycled-water program or a reuse mandate for other businesses. It simply lets recycling car washes keep operating when a shortage-driven restriction would otherwise shut ordinary vehicle washing down.

Violations & Fines

Washing vehicles anywhere other than a recycled-water commercial facility during a declared mandatory restriction violates § 24-6 and can trigger Chapter 24 enforcement action.

Frequently Asked Questions

Does Rockville require businesses to use recycled water?
No. City Code § 24-6(b)(2) only exempts commercial vehicle washing facilities that already use recycled water from the vehicle-washing ban during a declared water restriction: it does not mandate recycled water citywide.
Can I wash my car during a Rockville water restriction?
Only at a commercial facility using recycled water; § 24-6(b)(2) exempts those specifically, while ordinary vehicle washing (home or otherwise) is barred under a mandatory restriction.

Sources & Official References

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