Webber Natural Swimming Pool

Address

4330 Webber Parkway
Minneapolis, MN 55412

Plan Your Route

Bus, bike, drive, or walk

Contact

Phone: 612-370-4972
Email: info@minneapolisparks.org
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2026 Season & Hours

Regular Season: June 13 – August 23
Open Daily 1 pm-7 pm

Post Season: August 24-September 7
Weekdays: 4 pm-7 pm
Weekends and Labor Day: 1 pm-7 pm

Webber Natural Swimming Pool

Part of: Webber Park and North Mississippi Regional Park
Recreation Center: Webber Community Center

Current Status Map

Check for closures at pools, splash pads and water parks
Closures may range from 30 minutes to several weeks, depending on needed repairs. Map is updated in real time.

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Features & Amenities

Pool & Facility Features

  • Zero depth entry for accessibility
  • Shallow pool (0 – 3’7” deep)
  • Open swim area (0 – 6’4” deep)
  • Jumping platform area (0 – 11’7” deep)
  • Lap swimming lanes (5’7” – 6’3” deep)
  • Pool House entry and restroom facility
  • Drinking fountain/water bottle filler
  • Outdoor shower towers
  • Outdoor lockers
  • Grassy sun-bathing area

Good to Know

  • Capacity of up to 500 people
  • Certified lifeguards on duty
  • Free open swimming
  • Routine water testing

Paid Lap Swim

  • Tuesdays through Fridays, 11:00 am–12:30 pm
  • $3 per day / $24 for 10-visit pass (buy online)
  • Note: free lap swim during open pool hours

Swim Lessons

  • Multiple sessions June 20-August 19
  • Tuesday-Friday, 11:30 am-12:10 pm and 12:15 pm-12:55 pm
  • $42 resident – scholarships available / $49 non-resident
  • Register at rec center, pool house, or online

Keep it CLEAN, Keep it OPEN

  • Do not swim if you are sick.
  • Do not bring pets inside the pool area.
  • Do not bring food, beverages, tobacco or glass items inside the pool area.
  • Toddlers and babies must wear swim diapers.
  • Wear proper swim attire. Male swimwear must include a liner. Do not swim in athletic shorts or underwear.
  • Do not wear street shoes in the pool.
  • Shower before swimming.

The Webber Natural Swimming Pool mimics the natural cleaning mechanisms of a pond or lake and is not chlorinated.  Potentially sensitive populations such as the very young, elderly, pregnant women and the immunocompromised may have a greater health risk when using the Webber Natural Swimming Pool.

Park Rules & Tips

Water Park Rules

  • Swimmers must shower before entering the pool
  • No food, beverages, tobacco, pets or glass allowed in pool facility; no street shoes in pool
  • Toddlers and babies must wear swim diapers
  • Youth ages 9-12 must be accompanied by an adult age 18 or older in the facility
  • Youth 8 years and younger are required to have an adult with them in the water at all times at arm’s length.
  • We require a 1 adult to 4 children ratio for groups with children ages 12 and younger
  • Only United States Coast Guard approved lifejackets may be worn
  • Inflatable articles, balls, and water wings are not allowed
  • Horseplay, spitting, pushing, running, and any other unsafe behaviors are not allowed
  • During designated water safety breaks, all guests are required to exit the water
  • Staff has the right to remove any individuals in violation of Pool Rules or MPRB and City Ordinances
  • Obey staff and lifeguards at all times
  • Don’t swim if you have open sores or are sick
  • The pool will not open if the temperature is 65 degrees Fahrenheit or below
  • Pool users are responsible for their personal items. The MPRB is not responsible for any lost or stolen items.

Dress Code

  • Appropriate swimwear helps keep the water clean and is important to the health and water safety of all users.
  • All boy’s and men’s swim suits must have a liner.

Fabrics Allowed:

  • Nylon
  • Lycra
  • Polyester
  • Silicone
  • Latex
  • Swim Diapers
  • White Cotton

Fabrics NOT Allowed:

  • Colored Cotton
  • Denim (Jeans)
  • Leather
  • Wool
  • Corduroy
  • Undergarments
  • Disposable or Cloth Diapers

How NSP's Work

Webber Pool uses filters and plants, not chemicals, to cleanse the water

  • NSPs are living systems and do not use chemicals to treat the water; they function more like a stream, lake, or wetland
  • Webber’s regeneration basin near the pool holds approximately 7,000 aquatic plants rooted in layers of limestone and granite gravel

History of Natural Swimming Pools (NSP):

  • First private NSP, Austria, 1980s
  • First public NSP, Germany, 1998
  • Presently more than 20,000 public and private NSPs in Europe
  • Currently only private residential NSPs in North America

Construction of Webber Natural Swimming Pool

  • Began in the fall of 2013
  • Construction completed in June 2015; however opened in late July weekends only because specialized aquatic robotic vacuums for maintaining pool did not work and new customized vacuums needed to be built
  • Pool opened six days a week on June 11, 2016.

Webber is larger than many European Natural Swimming Pools

  • Swimming pool is 21,000 sq. ft. (500,000 gallons water)
  • Regeneration basin is approximately 16,250 sq. ft.

Learn about the history of Webber Natural Swimming Pool [PDF]

How NSPs Work

Pool water flows through biological filters first before reaching the regeneration basin

  • Plants and gravel layers in regeneration basin help cleanse the water
  • Fresh water is pumped back into pool
  • Entire volume of pool water recycled every 12 hours
  • Regeneration basin offers valuable habitat for frogs, turtles and other wildlife
  • Number of swimmers each day has a direct impact on ability of the plants to cleanse the water
  • In addition to the filters and plants, the pool is vacuumed daily

Water Quality

Upper Pool

8/25/25

E.coli(MPN/100 ml): 47
Enterococci (MPN/100 ml): 30
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 72
Status: Acceptable

8/21/25

Enterococci (MPN/100 ml): 43
Water Temp (°F): 79
Status: Acceptable

8/20/25

Enterococci (MPN/100 ml): 79
P. Aeruginosa (MPN/100 ml): 2
Water Temp (°F): 79
Status: Not Acceptable

8/18/25

E.coli(MPN/100 ml): 14
Enterococci (MPN/100 ml): 53
P. Aeruginosa (MPN/100 ml): 11
Water Temp (°F): 77
Status: Not Acceptable

8/13/25

P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 78
Status: Acceptable

8/11/25

E.coli(MPN/100 ml): 5
Enterococci (MPN/100 ml): 23
P. Aeruginosa (MPN/100 ml): 26
Water Temp (°F): 79
Status: Not Acceptable

8/4/25

E.coli(MPN/100 ml): 10
Enterococci (MPN/100 ml): 7
P. Aeruginosa (MPN/100 ml): 6
Water Temp (°F): 76
Status: Acceptable

7/31/25

Enterococci (MPN/100 ml):12
P. Aeruginosa (MPN/100 ml): 18
Water Temp (°F): 79
Status: Not Acceptable

7/30/25

E.coli(MPN/100 ml): 10
Enterococci (MPN/100 ml): 10
P. Aeruginosa (MPN/100 ml): 35
Water Temp (°F): 81
Status: Not Acceptable

7/29/25

E.coli(MPN/100 ml): 11
Enterococci (MPN/100 ml): 31
P. Aeruginosa (MPN/100 ml): 38
Water Temp (°F): 81
Status: Not Acceptable

7/28/25

E.coli(MPN/100 ml): 97
Enterococci (MPN/100 ml): 68
P. Aeruginosa (MPN/100 ml): 80
Water Temp (°F): 80
Status: Not Acceptable

7/21/25 

E.coli(MPN/100 ml): 2
Enterococci (MPN/100 ml): 3
P. Aeruginosa (MPN/100 ml): 5
Water Temp (°F): 82
Status: Acceptable 

7/17/25

P. Aeruginosa (MPN/100 ml): 15
Water Temp (°F): 77
Status: Not Acceptable

7/16/25

P. Aeruginosa (MPN/100 ml): 39 
Water Temp (°F): 83 
Status: Not Acceptable 

7/14/25

E. coli (MPN/100 ml): 24
Enterococci (MPN/100 ml): 1
P. Aeruginosa (MPN/100 ml): 36
Water Temp (°F): 86
Status: Not Acceptable

7/7/25

E.coli (MPN/100 ml): 7
Enterococci (MPN/100 ml): 6
P. Aeruginosa (MPN/100 ml): 3
Water Temp (°F): 83
Status: Acceptable

6/30/25

E.coli(MPN/100 ml): 4
Enterococci (MPN/100 ml): 5
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 78
Status: Acceptable

6/23/2025

E.coli(MPN/100 ml): 6
Enterococci (MPN/100 ml): 10
P. Aeruginosa (MPN/100 ml): 4
Water Temp (°F): 83
Status: Acceptable

06/16/2025

E.coli(MPN/100 ml): 10
Enterococci (MPN/100 ml): 12
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 71
Status: Acceptable

6/9/25

E.coli(MPN/100 ml): 5
Enterococci (MPN/100 ml): 18
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 72
Status: Acceptable

6/5/25 

Enterococci (MPN/100 ml): 33
Water Temp (°F): 73
Status: Acceptable 

6/4/25 

Enterococci (MPN/100 ml): 74
Water Temp (°F): 72
Status: Not Acceptable 

6/2/25 

E.coli(MPN/100 ml): 45
Enterococci (MPN/100 ml): 109
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 73
Status: Not Acceptable 

Lower Pool

8/25/25

E.coli(MPN/100 ml): 22
Enterococci (MPN/100 ml): 36
P. Aeruginosa (MPN/100 ml): 2
Water Temp (°F): 72
Status: Acceptable

8/18/25

E.coli(MPN/100 ml): 12
Enterococci (MPN/100 ml): 20
P. Aeruginosa (MPN/100 ml): 3
Water Temp (°F): 77
Status: Acceptable

8/13/25

P. Aeruginosa (MPN/100 ml): 2
Water Temp (°F): 78
Status: Acceptable

8/11/25

E.coli(MPN/100 ml): 6
Enterococci (MPN/100 ml): 11
P. Aeruginosa (MPN/100 ml): 12
Water Temp (°F): 79
Status: Not Acceptable

8/4/25

E.coli(MPN/100 ml): 7
Enterococci (MPN/100 ml): 6
P. Aeruginosa (MPN/100 ml): 9
Water Temp (°F): 76
Status: Acceptable

7/31/25

Enterococci (MPN/100 ml): 6
P. Aeruginosa (MPN/100 ml): 7
Water Temp (°F): 79
Status: Acceptable

7/30/25

E.coli(MPN/100 ml): 4
Enterococci (MPN/100 ml): 10
P. Aeruginosa (MPN/100 ml): 14
Water Temp (°F): 81
Status: Not Acceptable

7/29/25

E.coli(MPN/100 ml): 10
Enterococci (MPN/100 ml): 22
P. Aeruginosa (MPN/100 ml): 30
Water Temp (°F): 81
Status:  Not Acceptable

7/28/25

E.coli(MPN/100 ml): 22
Enterococci (MPN/100 ml): 95
P. Aeruginosa (MPN/100 ml): 119
Water Temp (°F): 80
Status: Not Acceptable

7/21/25 

E.coli(MPN/100 ml): 4
Enterococci (MPN/100 ml): 8
P. Aeruginosa (MPN/100 ml): 4
Water Temp (°F): 82
Status: Acceptable 

7/14/25

E. coli (MPN/100 ml): 3
Enterococci (MPN/100 ml): 1
P. Aeruginosa (MPN/100 ml): 7
Water Temp (°F): 86
Status: Acceptable

7/7/25

E.coli (MPN/100 ml): 16
Enterococci (MPN/100 ml): 8
P. Aeruginosa (MPN/100 ml): 10
Water Temp (°F): 83
Status: Acceptable

6/30/25

E.coli(MPN/100 ml): 6
Enterococci (MPN/100 ml): 6
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 78
Status: Acceptable

6/23/2025

E.coli(MPN/100 ml): 14
Enterococci (MPN/100 ml): 5
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 83
Status: Acceptable

06/16/2025

E.coli(MPN/100 ml): 10
Enterococci (MPN/100 ml): 21
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 71
Status: Acceptable

6/9/25

E.coli(MPN/100 ml): 14
Enterococci (MPN/100 ml): 25
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 72
Status: Acceptable

6/5/25 

Enterococci (MPN/100 ml): 19
Water Temp (°F): 73
Status: Acceptable 

6/4/25 

Enterococci (MPN/100 ml): 116
Water Temp (°F): 72
Status:  Not Acceptable 

6/2/25 

E.coli(MPN/100 ml): 35
Enterococci (MPN/100 ml): 92
P. Aeruginosa (MPN/100 ml): <2
Water Temp (°F): 73
Status: Not Acceptable 

The Webber Natural Swimming Pool is the first public natural swimming pool (NSP) in North America to have a natural filtration system that will use filters and plants in a nearby pond rather than chemicals to treat the water.

Webber Pool consists of two swimming areas (upper and lower pools) and a regeneration basin. NSPs are living systems and do not use chemicals to treat the water; they function more like a stream, lake, or wetland. Webber’s regeneration basin near the pool holds approximately 7,000 aquatic plants rooted in layers of limestone and granite gravel.

Minneapolis Park Board staff monitors water in the Upper pool, Lower pool, and Regeneration Basin for E. coli, Enterococci, and Pseudomonas aeruginosa bacteria at minimum on Monday morning of each week of the official swimming season. Additional sampling is performed on Wednesday and Thursday if needed.

Webber Pool will be held to a combination of current German natural pool standards for E. coli, Enterococci, and Pseudomonas aeruginosa bacteria and EPA beach standards.  If a combination of those standards is not met, the pool will close until further testing reveals that levels are within the standards.

Escherichia coli (E. coli) is a surrogate measure, or indicator for fecal contamination in recreational waters. Indicator organisms themselves do not cause illness under normal conditions.

Ideal conditions in Webber NSP include E. Coli levels below 100 mpn. The NSP must close if E. coli levels exceed 410 mpn, or exceed 100 mpn in two consecutive samples.

Enterococci bacteria are another type of indicator of the potential presence of fecal material in water Enterococci are typically not considered harmful to humans, but their presence in the environment may indicate that other disease-causing agents such as viruses, bacteria, and protozoa may also be present. For natural swimming pools, enterococci typically indicates the presence of birds in the regeneration area.

Ideal conditions in Webber NSP include Enterococci levels below 50 mpn.  The NSP must close if Enterococci levels exceed 130 mpn, or exceed 50 mpn in two consecutive samples.

Pseudomonas aeruginosa is a bacteria that is found everywhere in the environment, including soil. Its presence in a natural swimming pool typically indicates the presence of excess sediment in the pool system, indicating that maintenance must be increased.

Ideal conditions in Webber NSP include Pseudomonas levels below 10 mpn.  The NSP must close if Pseudomonas levels are above 100 mpn, or if test results exceed 10mpn in two consecutive samples.

Elevated bacteria levels generally occur in NSP environments from:

  • Wild and domestic animal waste
  • Leaking diapers, bather defecation
  • Organic debris
  • Swimmers’ bodies
  • Naturalized growth on NSP surfaces

For additional questions, please contact: waterquality@minneapolisparks.org

Lap Swim

Lap swim is available during the regular season at this facility.

Tuesday- Friday, starting June 18th through August 16th from 11:00 am-12:30 pm.

Register

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