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Now assisting the cannabis industry with APP and waste



Winstead Consulting LLC provides professional services in the area of groundwater protection permitting and compliance. We work with other firms to ensure a complete and defensible application package. In addition, we help companies with compliance issues and negotiate with regulators to implement reasonable conditions in a permit to facilitate achievable compliance.

In addition to water services, we provide RCRA hazardous waste support. We hold certifications in RCRA hazardous waste and ADOT hazardous materials. Whether you are a VSQG or LQG, we can help you navigate waste management and reporting requirements. 


Winstead Consulting LLC serves mining and industrial clients in the APP and compliance areas of:

  • Impoundments / Ponds

  • Ore Piles

  • Leach Piles 

  • Tailings Piles

  • Waste Rock Piles

  • Drywells

  • Land Treatment Facilities

  • Inertness Demonstrations

  • Exemptions

  • Application of Narrative Standards

  • Alert Level Reporting/Setting

  • Aquifer Quality Limit Reporting/Setting

  • Contingency and Emergency           Response Plans

  • Clean Closures

  • Injection Wells 



Winstead Consulting LLC has worked with copper and gold mines of all sizes throughout Arizona on permitting and compliance issues. During Ms. Winstead's tenure at ADEQ, she oversaw more than 200 technical APP meetings and processing of over 100 permits. Since establishing Winstead Consulting LLC, she has worked on numerous mining and industrial APPs. She also works as an Associate with other consulting firms to provide expert APP direction, oversight, and agency negotiations.

In addition, Ms. Winstead has helped industrial facilities and cannabis growers with RCRA hazardous waste management, exemption of discharges and closure of NOVs.



Our mission is to provide our clients with quality consulting at an affordable cost. We go above and beyond to research beneficial alternatives that may save our clients time and money, depending upon their ultimate goals. We actively identify potential project pitfalls and risks so that our clients may make informed decisions early in the permitting process. Our clients appreciate our attention to detail and recognize significant savings by having limited to zero comments back on applications submitted to ADEQ.


Winstead Consulting LLC was established by Carrolette Winstead, who has over 25 years of professional regulatory and consulting experience. She is a former manager of the ADEQ APP Mining and Industrial Unit and has been a consultant to various copper and gold mines for more than 10 years. Currently, she works for a world-wide industrial company managing areas of environmental permitting and compliance including water, air, and waste. 


Carrolette Winstead

4507 E Desert Wind Dr.


623-703-0843 mobile

Linked In: Carrolette Winstead

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