Integrated approaches to solving water resource problems

M&A combines technical and water planning expertise to deliver integrated solutions to water managers and providers in North and South America. Our professionals represent a range of disciplines and feature a team of experienced scientists and hydrologic modelers. For more than 30 years, M&A has helped achieve successful outcomes for clients in the industrial, mining, energy, municipal, land development, tribal, and agricultural sectors.

Hydro Notes
Articles on water-related topics written by our staff
News from M&A
  • M&A staff to offer short course at La Convención Internacional de Minería, in Guadalajara

    Mike Rosko will be co-teaching a short course with independent Tucson-based geologist Dawn Garcia on “Hydrogeologic Studies for Exploration, Development and Operations in the Mining Industry” at La Convención Internacional de Minería, in Guadalajara, Mexico on October 25, 2017.   This...

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  • Arizona Hydrological Society Symposium

    Visit us at Arizona Hydrological Society Annual Symposium in Flagstaff!

    M&A staff will be at the Arizona Hydrological Society’s 30th Annual Symposium from September 6 - 9 in Flagstaff, Arizona.  M&A, a long-time supporter of AHS, is a Silver Sponsor...

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  • M&A evaluates rainwater harvesting programs

    During the summer monsoon in Southern Arizona, when it rains, it pours. Rainwater harvesting (RWH) takes advantage of this bounty while also conserving potable water.  Staff from our Tucson office are working on several projects and proposals associated with rainwater...

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  • M&A presents at international seminar on artificial recharge, in Santiago de Chile

    On July 14, M&A’s Mark Cross participated with five other invited recharge experts in the “International Seminar on Artificial Recharge:  Methods, Experiences, Errors, and Solutions”, held in Santiago de Chile.  Mark presented a paper entitled “Large-Scale Artificial Recharge in...

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  • M&A sponsors 2017 Arroyo summer writing intern

    M&A’s support of the 2017 Arroyo continues a longstanding tradition of sponsoring a summer internship for a University of Arizona student who is interested in gaining experience writing about environmental and water resource issues....

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  • AZ Water Talks

    Gary Woodard, Leslie Katz, and Mekha Pereira recently presented at this year's AZ Water Conference in Phoenix. You can view their slides below.


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  • M&A’s work featured in Leapfrog case study

    The New Zealand-based company Leapfrog recently featured M&A’s work in the Salta Province of Argentina, where we have been investigating lithium brine resources since 2012.

    M&A has been working in collaboration with our...

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  • Upcoming California conferences

    The Groundwater Resources Association of California (GRAC) is holding a special conference on May 3–4 to address the needs of the state’s new Sustainable Groundwater Management Act (SGMA), which requires the development of a Groundwater Sustainability Plan (GSP)....

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  • M&A staff to present at AZ Water conference next week

    AZ Water’s 90th annual conference will be held next week, from May 3–5, at the Phoenix Convention Center. Three M&A staff members — Gary Woodard, Juliet McKenna, and Mekha Pereira — will be...

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  • M&A hosts AHS intern

    Each year, the Tucson chapter of the Arizona Hydrological Society (AHS) awards an intern scholarship — named after Leonard Halpenny, who initiated the award — to a deserving UA student. This...

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