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Exterior of Mundelein Facility

Diamond Lake Master Plan

Diamond Lake, home to the Diamond Lake Recreation Center, Beach, and Boat Launch, is a cherished destination within the Mundelein Park & Recreation District. Offering a variety of amenities, it serves as a hub for community engagement and outdoor recreation. The District is committed to maintaining and enhancing this vital space, ensuring it remains safe, inclusive, and environmentally sustainable for all visitors. Currently, the District is undertaking a comprehensive master planning process, led by Gewalt Hamilton Associates and Lamar Johnson Collaborative, to develop sustainable concepts that will protect and enhance the natural environment while preserving the unique character of Diamond Lake.


Diamond Lake Lakefront Draft Master Plan

We are excited to share this Master Plan which envisions a vibrant, family-friendly lakefront that blends recreation, learning, and leisure. We’re looking at features such as outdoor classrooms, picnic areas, water access, a splash pad, food and beverage options, an outdoor amphitheater, and rentable indoor facilities – all designed to create year-round opportunities for the community.

 

We want your feedback. Please fill out the form below or send an email to DiamondLakeMasterPlan@mundeleinparks.org

 


PHASE I OUTCOMES

  • Many survey respondents rarely visit the site, indicating it is underutilized and could benefit from upgrades and additional programs or activities to attract more visitors
  • Diamond Lake and the shore are the most valued features of the site
  • The community appreciates the current quiet and relaxing atmosphere of the site
  • There is a strong desire to prioritize spaces and amenities for families of all ages
  • There is a strong desire to preserve nature and promote low impact development
  • The community favors leisure and recreation activities
  • There is a demand for food and beverage offerings on site
  • There is significant support for rentable indoor and outdoor social spaces for family events
  • Currently the parking facility is adequate, but further study will be needed for future facilities
  • Master Plan Phase I Community Feedback Survey Summary
  • Master Plan Phase I Stakeholder Engagement Summary

FAQs-UPDATED JULY 2, 2025

 

DIAMOND LAKE PROJECT OVERVIEW

 

Q: What is the Diamond Lake Recreation Center, Beach & Boat Launch Master Plan project?

A: Mundelein Park & Recreation District (MPRD) is engaging in a master planning process for the future of the Diamond Lake Recreation Center, Beach, and Boat Launch properties, enhancing the Diamond Lake area and its amenities and resources.

The final plan will include recommendations for infrastructure, operations, amenities, and innovative site uses while balancing environmental sustainability, community needs, and financial feasibility.

 

Q: Why is MPRD undertaking this project now?

A: In a 2021 community survey, residents identified the Diamond Lake properties as a top priority for improvements. The site does not meet current or future needs, and this process will enhance its role as a community cornerstone, focusing on wellness, access to open space, environmental stewardship, and engagement for generations to come.

The project aligns with MPRD’s mission of connecting the community with safe and quality recreation through diverse programs, facilities, and open spaces. It embodies the values of excellence, inclusivity, and environmental stewardship by ensuring Diamond Lake remains a cherished and sustainable destination.

 

Q: Who is facilitating the master plan process?

A: A team from Gewalt Hamilton Associates and Lamar Johnson Collaborative will guide the master plan process. The team will gather data, assess current site conditions, and develop concept options for consideration.

 

Q: What is the timeline for the project?

A: The process began in 2024 with site assessment and feedback. Phase I was completed in December 2024 (you can read more about it above). Phase II, which includes developing a concept plan and gathering additional feedback, is expected to last through late 2025. Final recommendations will be subject to review and approval from the Board of Commissioners.

 

Q: Will MPRD sell any piece of the Diamond Lake Recreation Center, Beach & Boat Launch properties?

A: The District has no plans to sell the properties. The master plan process is focused on the long-term use of the Diamond Lake properties.

 

DIAMOND LAKE AMENITIES & USAGE

 

Q: What amenities and features can I find at Diamond Lake Recreation Center Beach & Boat Launch?

A: Diamond Lake Recreation Center, Beach, and Boat Launch includes:

  • Guarded Swim Beach (open Friday – Sunday, 12-5 pm, May 31 – August 4 when lifeguards are on duty)
  • Grassy areas and a shady picnic grove
  • Paddle boat, kayak, and stand-up paddleboard launch area and rentals
  • Boat launch
  • Playground
  • Recreation building with a large multi-purpose room/event space, separate bathroom, and changing areas

The boat launch allows motorized and non-motorized watercraft into Diamond Lake and is managed through seasonal passes and daily launch fees. Passes can be obtained from the front desk of the Mundelein Community Center (1401 N. Midlothian Road). The waters of Diamond Lake are monitored by Mundelein Park & Recreation District Boat Rangers, in cooperation with local law enforcement.

 

Q: What will happen to the recreation building?

A: The future use of the recreation building is being evaluated as part of the planning process. Based on resident feedback and feasibility studies, the District is exploring options for future use.

 

Q: Will there be any disruptions to current activities at Diamond Lake during the planning process?

A: There are currently no major disruptions to site access or water activities. The Learning Center Preschool moved to the Mundelein Community Center in September 2024.

 

Q: What other water activities are available?

A: There is swimming during the summer season (Friday – Sunday) while lifeguards are on duty. Other water activities such as kayaking, boating, paddleboarding and fishing are also offered. The District is also evaluating additional recreational opportunities for the lake.

 

POLICY & ENVIRONMENTAL IMPACT

 

Q: How will this project impact local wildlife?

A: Environmental considerations are a priority in the master planning process. The District is committed to preserving and enhancing natural habitats while improving the lakefront.

 

Q: Are there plans to improve water quality?

A: The District is exploring a waters of Diamond Lake management plan focused on improving water quality by supporting the growth and sustainability of native plants. As specific initiatives are developed, more information will be shared.

 

COMMUNITY ENGAGEMENT & FUNDING

 

Q: Will the community be involved in the planning process?

A: Yes! Community engagement is a critical component of the master planning process. Residents have already participated in surveys, focus groups, and stakeholder meetings. More opportunities for feedback will follow once concept designs are ready. Updates and information will be available on the MPRD website, social media channels, and through direct communication from the District.

 

Q: What were the key takeaways from the resident survey?

A: A large percentage of respondents (40%) expressed interest in activities other than swimming, such as walking paths and passive recreation. Many also want easier public access to the lakefront properties. Based on input received, the District is also exploring public/private partnerships to introduce food and beverage options.

 

Q: How will the project be funded?

A: The District has capital funds to address needs identified through assessments and community feedback. We will also explore grant opportunities and alternative funding sources to further leverage our current funds.

 

Q: Where can I find more information about the history of Diamond Lake?

A: A comprehensive history of Diamond Lake can be found on the MPRD website at: Our Gem: A History and Stewardship Guide for Diamond Lake.

 

Q: Who can be contacted for more information about the project?

A: For more information, community members can contact:

Ron Salski, Executive Director
Email: rsalski@mundeleinparks.org


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