Office Hours  8:00 a.m – 5:00 p.m.     |     (308) 385-6282
     215 Kaufman Ave  |  Grand Island NE 68803

The Central Platte NRD staff would like to provide the best customer service possible. Since our District ranges from Gothenburg to Columbus, we work with thousands of landowners each year. In order to better serve you, we highly recommend that you call and make an appointment since many of our staff work out in the field and are not available for walk-ins.  Making an appointment will save you time, effort, and possibly another trip to our office. To make an appointment with any CPNRD staff, please call  (308) 385-6282.

General Manager
Lyndon Vogt
Lyndon is responsible for seeing that all the programs, projects and priorities of the CPNRD Board of Directors are carried out in a timely and efficient manner. He's also responsible for all NRD staff and their activities, acts as contracting officer for the District, and oversees the long-range and short-term planning and finances of the District. Lyndon began his career in 1996 at the Lower Niobrara NRD and then moved to the Upper Niobrara White NRD in 2001. Lyndon has been employed by the CPNRD since 2013.
Assistant Manager
Jesse Mintken
Jesse works closely with engineering firms, local, state and federal agencies on the District's projects. He also works with landowners on projects that are in the same proximity of their land including flood control. He was also heavily involved in the rehabilitation of the Dawson County irrigation canals. Jesse has been employed by the NRD since 2007.
Administrative Director
Dianne Miller
Dianne assists the General Manager
with administrative aspects & serves as office manager. She oversees the accounting system including investments, payroll, prepares payments to vendors, and computes amounts to be billed to project co-sponsors/the State on various projects. She assists with budget recommendations, finalizing & submitting the annual budget to the state auditor, county clerks. Dianne also prepares election certifications for the Secretary of State and county election commissioners. She oversees District operations, insurance, and drafts board meeting minutes. She serves on the NRD/NARD Employees Benefits and NARD Intergovernmental Risk Management Pool Association Loss Control committees. Dianne began working for the Mid-Platte Valley Watershed in 1971, which was merged into the NRDs. Dianne has been employed by the NRD since 1972.
Projects Assistant
Tom Backer
Tom manages the tree planting crew and does all of the physical maintenance of the NRD's projects including the Upper Prairie/Silver/Moores Flood Control Project, Kearney Northeast, Wood River Floodway, and 40 flood control dams. Tom has been employed by the NRD since 1984.
District Secretary
Merrick County Field Office
The district secretary duties include answering telephone calls, ordering supplies, sending correspondence letters, irrigation records, and updating farm records. She also assists with many NRD and conservation programs.
Range Management Specialist
David Carr
David is the Prescribed Fire Program manager and NRD Safety Program coordinator. He works with private landowners, and other organizations to successfully plan, implement and monitor prescribed fires, which are done for rangeland and habitat improvement. His duties include planning and coordinating fire training, and public education involving the safe use of prescribed fire. David helps out wherever is necessary including taking water samples, depth to groundwater measurements, and collection of gallons per minute measurements on irrigation wells. David has been employed by the NRD since 2004.
Water Resources Specialist
Dan Clement
Dan's duties include issuing groundwater well permits, assisting in updating water well registrations, technical assistance in well decommissioning, setting up the water quality sampling protocol and measuring surface flow in the rivers and streams throughout the NRD. He is also the vadose zone coordinator and helps with chemigation systems inspections, reading irrigation well flows and taking GPS locations for the Groundwater Management Plan. Dan has been employed by the NRD since 1988.
Programs Coordinator
Kelly Cole
Kelly manages the Conservation Tree Program, and cost share for CPNRD producers through CPNRD, the Nebraska Soil & Water Conservation, Buffer Strip, Well Decommissionin, WILD Nebraska, and the Pheasants Forever Pivot Corner programs. Kelly handles travel arrangements for board/staff. She also coordinates the Nebraska Children's Groundwater Festival. Kelly has been employed by the NRD since 2001.
Mark Czaplewski
Mark participates in the Platte River Recovery Implementation Program, a basin-wide effort to aid in the conservation of threatened and endangered species using the central Platte River. He is a member on the Land Advisory Committee, Technical Advisory Committee, Adaptive Management Work Group, and alternate to the Governance Committee. He also helps out with the Nebraska Habitat Conservation Coalition, Lower Platte Basin Coalition, and is coordinator for the Platte Basin Habitat Enhancement Project. He works on in-stream flow issues, wetland projects, and other endangered and non-game species matters as the arise. Mark has been employed by the NRD since 1997.
Resources Conservationist
Tricia Dudley
Tricia assists with the Water Quality & Quantity programs, GIS projects, and static water level measurements. She previously worked for the Rainwater Basin Joint Venture. Tricia has been employed by the NRD since 2016.
District Hydrologist PhD
Brandi Flyr
Brandi's duties center around surface water & groundwater studies. The Platte River Cooperative Hydrology Study (COHYST) requires much of her time as she works with others to develop the groundwater database and regional groundwater models for the Platte River Area above Columbus, NE. The Conjunctive Management Study, the Platte River Recovery Implementation Program, & Water Action Plan committees are additional items Brandi is involved with. Other hydrology work tasks include high groundwater investigations and storm water runoff from precipitation events. Brandi has been employed by the NRD since 2017.
Resources Conservationist
Bill Hiatt
Bill's focus is field assists with project maintenance, trees, habitat, water, & education programs. He was raised in Minden & was a Wildland Firefighter for the U.S. Fish & Wildlife Service in Garden County, NE. He majored in Natural Resource Ecology and Management at OSU. Bill has been employed by CPNRD since 2017.
Deb Jarzynka
Deb greets people and directs them to the appropriate staff. She orders office supplies, maintains the copy machines, distributes mail, and maintains the filing system. She prepares bank deposits, the monthly board meeting packets, and quarterly travel for the board. She keeps track of expense reports and staff leave. Deb has been employed by the NRD since 1988.
District Secretary
Hall County Field Office

Marcyne Johnson
Marcyne provides administrative support to the Grand Island field office, working jointly with NRCS and CPNRD staff, as well as other partnering agencies. Her duties include administering & maintaining cost-share applications for various programs, ensuring participant eligibility is met. Marcyne also assists with FSA-1026 requests for HEL and wetland determinations. Data entry, ordering supplies and file maintenance are also a part of administrative duties. Marcyne has been employed with the NRD since 2015.
District Secretary
Dawson County Field Office
Samantha Keith


Samantha is the first point of contact for landowners that come in or call the office. Her duties include data entry, records management, and mailing. Samantha also helps administer the conservation programs. Samantha has been employed by the NRD since 2009.
Demo Project Coordinator
University of Nebraska

Dean Krull
As an employee of the University of Nebraska and a long time partner with the Central Platte NRD, Dean conducts field demonstrations with the agricultural clientele throughout the district; focusing on best management practices that coincide with CPNRD's Groundwater Management Plan. He has partnered with CPNRD since 1980.
Information/Education Specialist
Marcia Lee
Marcia conducts the District's public relations, education, and wellness programs. She is responsible for District outreach with local media, print materials, and social media. As part of the District's educational outreach, she coordinates the outdoor classroom program, Nebraska Children's Groundwater Festival, and regional high school contests for land judging, range judging, and the Envirothon. Marcia has been employed by the NRD since 1999.
District Secretary
Buffalo County Field Office

Shelly Lippincott
Shelly's duties include file management, ordering and tracking, quarterly reports to NRCS state office, yearly irrigation water management records to producers, incoming and outgoing land transfers, and assist with NRD conservation programs. Shelly has been employed by the NRD since 2000.
Resources Conservationist
Shane Max
Shane's duties include measurement of groundwater quantity levels, collection of water samples for quality analysis, water flow metering, chemigation inspections, GIS projects, prescribed burning, and assisting in other NRD projects. Shane has been employed by the NRD since 2012.
Easement Habitat Specialist Sandy Noecker
GIS Coordinator
Angela Warner
Angela provides technical assistance in the design, maintenance, development, & creation of databases, maps and other related GIS (Global Information Systems) projects. She works particularly with certification of irrigated acres and waterbank transfers within the District. Her additional duties include: liaison with county assessors, assisting with well registrations, and troubleshooting GIS issues. Angela has been employed by the NRD since 2006.
Water Resources Technician
Courtney Widup
Courtney conducts data collection and analysis for the District’s water quality and quantity programs, as well as providing GIS assistance and database management for those projects. She is responsible for collecting water samples, water level measurements, assisting with research projects and various other NRD ventures. Courtney has been employed by the NRD since 2018.
GIS Image Analyst
Luke Zakrzewski
Luke's primary duties involve maintaining databases associated with certifying irrigated acres and the NRD's Water Bank. Luke also develops and manages GIS/GPS datasets for other NRD projects and occasional field work when needed. Luke has been employed by the NRD since 2011.