Staffordshire Fire and Rescue Service and Staffordshire Police is urging young people to take extra care when in and around water.
"Under no circumstance should they swim in ponds, lakes, rivers or other areas of unsupervised water. This advice could save their lives."
Head of Risk Reduction Glynn Luznyj
Fire crews in the Lichfield area have attended several incidents at Chasewater that have been caused due to people not behaving responsibly in and around the water.
Head of Risk Reduction Glynn Luznyj said: "While it is understandable that young people may be tempted to take a dip in the water when the weather is warm, they must also remember the significant danger they are putting themselves in by doing so.
Even if they consider themselves to be strong swimmers, they need to be aware that underwater currents, debris and cold water temperatures can easily result in difficulties, which all too often, lead to drowning.
"I would urge parents to warn their children of the risks of playing in water, particularly as the summer is now upon us, and to tell them that under no circumstance should they swim in ponds, lakes, rivers or other areas of unsupervised water. This advice could save their lives."
Sergeant Caroline Bailey from Lichfield local policing team said "We really want people to enjoy the facility at Chasewater safely. We have dealt with reports of people putting themselves into danger by interfering with the business and the facilities at the park, not realising the danger they are putting themselves into.
"We are working closely with all our partners to tackle these issues but we do ask for the public support."