Marana, Arizona Water Violations

19 water systems serve Marana, Arizona, providing drinking water to an estimated 40,026 people. These systems have 8 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.

Select a water system below to see its full violation history, lead and copper testing results, and compliance status.

Water SystemPopulation ServedSourceViolationsHealth-Based
Marana Dwid - Culver 709 Groundwater 80 3
Marana Dwid - Derringer 1,950 Groundwater 140 2
Marana Aerospace Solutions 400 Groundwater 26 1
Marana Estes Elementary School 2,000 Groundwater 19 1
Marana High School 2,450 Groundwater 4 1
Silver Bell Army Heliport 500 Groundwater 43 0
Gw Saguaro Dist Water Co - Lyn Lee 114 Groundwater 40 0
Rancho Tierra Blanca Poa 126 Groundwater 39 0
Bayer R&D Services LLC - Marana 160 Groundwater 35 0
Silverbell Mining, LLC 200 Groundwater 21 0
Marana Municipal - Marana 15,162 Groundwater 17 0
Marana Municipal - Picture Rocks 5,278 Groundwater 15 0
Marana Municipal - Airline Lambert 4,568 Groundwater 15 0
Ussocom Parachute Training 48 Groundwater 15 0
Marana Municipal - Hartman Vistas 5,248 Groundwater 12 0
Marana Municipal - Palo Verde 118 Groundwater 11 0
Marana Municipal - Airport 45 Groundwater 5 0
Marana Municipal - Silverbell Gateway 750 Groundwater Purchased 0 0
Marana Municipal - Tortolita Mountain 200 Groundwater Purchased 0 0