Water Restrictions: Green Valley vs Marana
How do water restrictions rules compare between Green Valley, AZ and Marana, AZ?
Green Valley and Marana have similar restriction levels.
Green Valley, AZ
Pima County
Tucson Water and the Arizona Department of Water Resources (ADWR) regulate water use in the Tucson Active Management Area, which covers most of Pima County. ADWR Assured Water Supply rules (ARS 45-454) require new subdivisions to demonstrate a 100-year water supply. Tucson Water enforces stage-based drought restrictions.
View full Green Valley rules →Marana, AZ
Pima County
Marana Water Department enforces water conservation measures including watering schedules during drought conditions. The town participates in the Tucson Active Management Area (TAMA) under Arizona Department of Water Resources groundwater management.
View full Marana rules →Key Facts Comparison
| Fact | Green Valley | Marana |
|---|---|---|
| ADWR Authority | Tucson Active Management Area | - |
| 100-Year Supply | ARS 45-454 required for new subdivisions | - |
| Drought Stages | Tucson Water 3-stage restrictions | - |
| CAP Water | Colorado River allocation supplements supply | - |
| Reclaimed Water | Available for landscape irrigation | - |
| Water Provider | - | Marana Water Department |
| Management Area | - | Tucson Active Management Area |
| Assured Supply | - | 100-year requirement (ARS 45-576) |
| Conservation | - | Xeriscaping encouraged |
Highlighted rows indicate differences between cities.
Green Valley FAQ
Can I water my lawn anytime in Pima County?
It depends on drought stage. Tucson Water enforces mandatory outdoor watering schedules during Stage 2 and may ban outdoor watering (except established trees) during Stage 3. Properties on private wells follow ADWR rules.
Do new developments need to prove water supply?
Yes. ARS 45-454 requires all new subdivisions in the Tucson AMA to demonstrate a 100-year Assured Water Supply before plat approval.
Marana FAQ
Does Marana have watering restrictions?
Marana may implement watering schedules during drought conditions. The town encourages water-efficient landscaping and participates in the Tucson Active Management Area conservation program.
Can I water my lawn every day in Marana?
During normal conditions there is no day-of-week restriction, but mandatory schedules may be imposed during drought. Xeriscaping with native plants is strongly encouraged.
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