Question 1

What is Johnson Reservoir and what activities are available?

Accepted Answer

Johnston Reservoir in Jefferson County, Colorado is a 60-acre lake situated at an elevation of 5,527 feet (1,685 meters). Set within a scenic park area, the reservoir provides a peaceful and family-friendly environment ideal for fishing, walking, and enjoying the outdoors.

The lake supports a diverse warmwater fishery, including largemouth bass, smallmouth bass, bluegill, common carp, channel catfish, black crappie, yellow perch, saugeye, and tiger muskie. Stocking and natural reproduction help maintain healthy fish populations, while fishing pressure is generally moderate. Boating is not permitted, so anglers primarily fish from the shoreline, which offers ample opportunities to explore different spots along the water&rsquo;s edge.

With easy access and a range of fish species, Johnston Reservoir is popular among families and casual anglers. While ice fishing is not allowed, the lake provides a reliable and scenic setting for open-water fishing and recreational outdoor activities in Jefferson County.

Question 2

How big and deep is Johnson Reservoir?

Accepted Answer

Johnson Reservoir is a substantial body of water covering 60.00 acres (0.09 square miles) with a maximum depth of 0.00 meters (0 feet). This size and depth make it ideal for various activities including and water recreation.

Question 3

What are the current conditions at Johnson Reservoir?

Accepted Answer

Current conditions at Johnson Reservoir as of June 16, 2026:
      Water temperature is ~°F, 
      weather is Clear, 
      and water clarity is typical for the season. 
      These conditions are regularly updated to help you plan your visit.

Question 4

When is the best time to fish at Johnson Reservoir?

Accepted Answer

The best fishing times at Johnson Reservoir vary by season:
      Spring (March-May): Spring fishing at the lake is excellent for . Focus on shallow areas warming up first, and use light tackle as fish become more active after winter.
      Summer (June-August): During summer months, fish are most active early morning and late evening. Look for  in deeper, cooler waters during mid-day.
      Fall (September-November): Fall brings excellent fishing opportunities as  feed heavily before winter. Focus on areas with falling water temperatures.
      Winter (December-February): Ice fishing is popular during winter months. Target  in shallower bays and near structure, always ensuring safe ice conditions.
      Additionally, early morning and late evening typically offer the best fishing conditions.

Question 5

What facilities and access points are available at Johnson Reservoir?

Accepted Answer

Johnson Reservoir offers the following facilities and amenities:

Please note that some facilities may have seasonal hours or closures. Check current conditions and regulations before your visit.

Question 6

What water recreation activities are available at Johnson Reservoir?

Accepted Answer

Johnson Reservoir offers various recreational opportunities including:
      - Fishing

Additional lake information:
      - Lake size: 60.00 acres (0.09 square miles)
      - Maximum depth: 0.00 meters

The lake is particularly suitable for fishing and boating 
      during current conditions. Always check weather forecasts and local regulations before activities.

Question 7

What's the best time to visit Johnson Reservoir, and how's the weather?

Accepted Answer

The best time to visit Johnson Reservoir depends on your planned activities:
      - Summer (June-August): Ideal for swimming, boating, and water sports
      - Spring/Fall: Excellent fishing and fewer crowds
      - Winter: Ice fishing when conditions permit
      Current weather is Clear. 
      Check our current updates for water temperature and conditions before your visit.

Question 8

What permits and regulations should I know about for Johnson Reservoir?

Accepted Answer

For Johnson Reservoir, you should be aware of:
      - Fishing license requirements (check state regulations)
      - Boat registration requirements

For specific requirements and current regulations:
      
      - Contact local authorities
      - Visit the DNR website
      - Visit official websites listed below

Question 9

Where can I find more information about Johnson Reservoir?

Accepted Answer

You can find detailed information about Johnson Reservoir through these official resources:
        
        - Additional Information
        
        These resources provide up-to-date information about:
        
        - Current lake conditions
        - Facility hours and availability
        - Special notices and alerts
        
        - Seasonal updates and events
        
        Official websites: https://ndismaps.nrel.colostate.edu/index.html?app=FishingAtlas&keyword=fspot&value=397

Question 10

What is the water temperature at Johnson Reservoir in January?

Accepted Answer

In January, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 11

What is the water temperature at Johnson Reservoir in February?

Accepted Answer

In February, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 12

What is the water temperature at Johnson Reservoir in March?

Accepted Answer

In March, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 13

What is the water temperature at Johnson Reservoir in April?

Accepted Answer

In April, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 14

What is the water temperature at Johnson Reservoir in May?

Accepted Answer

In May, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 15

What is the water temperature at Johnson Reservoir in June?

Accepted Answer

In June, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 16

What is the water temperature at Johnson Reservoir in July?

Accepted Answer

In July, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 17

What is the water temperature at Johnson Reservoir in August?

Accepted Answer

In August, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 18

What is the water temperature at Johnson Reservoir in September?

Accepted Answer

In September, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 19

What is the water temperature at Johnson Reservoir in October?

Accepted Answer

In October, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 20

What is the water temperature at Johnson Reservoir in November?

Accepted Answer

In November, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 21

What is the water temperature at Johnson Reservoir in December?

Accepted Answer

In December, the water temperature at Johnson Reservoir is approximately Data not available for this month. 
        This information helps in planning activities like water activities.

Question 22

What are the current fishing conditions at Johnson Reservoir?

Accepted Answer

Current water temperature at Johnson Reservoir is ~°F. 
        Check local fishing reports for the most active species.

Question 23

What is the maximum depth of Johnson Reservoir?

Accepted Answer

Johnson Reservoir has a maximum depth of 0.00 meters (0 feet). This depth provides excellent habitat for various fish species and supports diverse aquatic life. The lake's depth profile makes it suitable for both shallow-water fishing and deep-water activities.

Question 24

How big is Johnson Reservoir?

Accepted Answer

Johnson Reservoir covers an area of 60.00 acres (0.09 square miles) at full pool.  This substantial size makes it an important recreational resource for Jefferson County, offering extensive opportunities for fishing, boating, and other water activities.

Question 25

Where is Johnson Reservoir located?

Accepted Answer

Johnson Reservoir is located in Columbine, Jefferson County, CO. The lake is accessible to the public and serves as a popular destination for outdoor activities. Its location in Jefferson County makes it easily accessible from Columbine and surrounding communities.

Johnson Reservoir

Johnson Reservoir

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Johnson Reservoir

Johnson Reservoir

AI fishing planner

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Weather Forecast

Hourly Wind Forecast

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About Johnson Reservoir