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7B, Lake Johanna Emergency Temporary "No Wake Zone" - Public Hearing
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7B, Lake Johanna Emergency Temporary "No Wake Zone" - Public Hearing
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2 <br />Water Surface Management Standards, Subpart 9, it refers to local authority in situations of <br />emergency. It reads: <br />Subp. 9. Emergencies. In situations of local emergency, temporary special <br />controls may be enacted by a County, City or Town for a period not more than five <br />days without the commissioner's approval. The commissioner shall be notified, <br />however as soon as practicable during this five day period. <br />In speaking with Mr. Elverum, there are no official procedures listed for enacting these <br />temporary special controls. He indicated that the DNR prefers that the City adopt a <br />resolution in this situation. However, if the high water emergency occurs on a weekend, <br />this would cause a delay. The City Council could have the Mayor officially declare a high <br />water emergency and call a special meeting on the first available work day to officially <br />adopt the resolution. Staff has provided a draft resolution that could be used (Attachment <br />C) in this situation. The DNR reviewed the resolution and approved the format. There are <br />no specific guidelines on resident notification or water access postings. The DNR <br />recommends posting the emergency regulations at all public watercraft accesses and <br />notifying all lakefront property owners. A draft resident notification (Attachment D) and a <br />draft of the text that would appear on the two signs (Attachment E) are included for <br />Council review. Staff recommends a 2 ft. x 2 ft. sized sign. Staff prepared a resolution to <br />be passed at Monday night's meeting establishing procedures for the City to follow in the <br />event of a high water event (Attachment F). Below are recommended procedures for <br />enacting a temporary "no wake zone" due to an emergency high water event. <br />1. Establish a high water level that the City will enact the temporary <br />"no wake zone ". Staff researched the water level of Lake Johanna and <br />found a chart on the DNR website that shows recorded water levels since <br />2002 (Attachment G). The ordinary high water mark is listed at 878.0. <br />After researching, it shows that 879.0 has been reached four (4) times in the <br />past ten (ten) years. However, 879.0 was reached on May 24th and 25�' of <br />this year throughout the Memorial weekend and the lake was not at a <br />critically high mark. 879.5 has been reached two (2) times in the last teri <br />(10) years, including in the 2011 July storm. Therefore, staff is <br />recommending 879.5 as the level the City would enact a temporary "no <br />wake zone". A water level gauge is located just to the east of the boat <br />launch. The water level gauge is managed by the Ramsey County <br />Environmental Dept. The 0 on the gauge is set at 876.50 feet. This means <br />that if the water level rises to the 3 foot mark on the gauge, the lake level <br />would be at 879.50. The DNR also suggests that the City_set a water level <br />_ <br />where the restriction would come off. The suggestion was the restriction <br />remains until the water remains under that level for at least 24 hours. Staff <br />suggests 2.8 feet (879.30) for that. <br />2. If the water level rises to 3 feet on the gauge (879. SO), the City Council <br />would call an emergency City Council meeting to enact a temporary "no <br />wake zone " on the entire lake. If this occurs on a weekend or holiday, the <br />IlMetro-inet.uslardenhillslPR&PWIParkslMemoslCouncil Memos1060412 Surface Use Regulations.doc <br />
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