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Beach Water Quality
Clark County Beach Water Quality Tests
Clark County beaches and swim areas are tested for E. Coli by the Clark County Health Department.  The results of these tests are passed along to the Clark County Forestry and Parks Department where they are placed on this website for public knowledge.  Samples are typically taken on a Monday with results coming back mid week.  If a sample comes back elevated, a re-test is completed.  If the re-test sample comes back elevated, notifications are posted below and appropriate warning signs are placed at the location of the elevated sample.

Current Test Results
Russell Memorial Campground- No Advisory
Rock Dam Campground- No Advisory
Mead Lake Campground- No Advisory
Snyder Lake Campground- Closed (This beach is closed due to a drawn down lake level)
Sherwood Lake Campground- No Advisory

    Last updated: July 12th, 2017

Testing Dates
The below dates are when testing is currently scheduled for during the 2017 season.  Clark Country may alter these dates without warning and as department needs change.

May 22nd
June 12th, 26th
July 10th, 24th
August 7th, 21st

What Does Each Advisory Mean?
No Advisory means that the current E. coli levels in the water are considered normal.

Yellow Advisory means that the current E. coli levels in the water are elevated higher than normal and an increased risk of illness may be present.  Users should swim at their own risk. Make sure you do not ingest the lake water. Shower after swimming. Wash hands before eating and do not swim if you are ill.

Red Advisory means the beach is currently closed because the current E. coli levels in the water are extremely elevated and serious risk of illness may be present.  Users should not be using the beach because it is closed.

What Causes An Elevated E. coli Level?
The actual source of these E. coli are unknown.  In Fact, they likely originate from a multitude of possible sources, including human waste, bird droppings, agricultural run off, or even naturally occurring E. coli present in the soil.


Clark County Courthouse
Hours:  8 a.m. to 4:30 p.m.
517 Court St., Room 301
Neillsville, WI 54456
Phone: (715) 743-5148
Fax: (715) 743-5154