Agenda Packets - 2020/10/12 - Laserfiche WebLink

Home Browse Search

continually changing as cities update their Wellhead Protection Plans, with the general trend being to expand the boundaries as regulations become stricter. A significant portion of the City lies within a DWSMA and is unsuitable for stormwater infiltration practices. The Minnesota Stormwater Manual contains a flowchart that lays out MPCA and Minnesota Department of Health guidance on the use of infiltration in DWSMAs. In general, infiltration is prohibited or strongly discouraged in areas of high or very high vulnerability or within Emergency Response Areas. Infiltration is likewise prohibited or strongly discouraged in areas of moderate vulnerability unless a higher level of review indicates that it is acceptable. Infiltration is feasible in areas with low vulnerability that are also outside Emergency Response Areas, as well as areas outside DWSMAs, subject to other potential restrictions (soil type, contamination, etc.). Figure 2.3 — Drinking Water Supply Management Areas LEGEND I.� -� SOU RCE Yd4TER PROTECTION DATA 4 927 - Blaine SW C3 EM ER13ENCY RESPONSE AREA I C3 WELLHEAD PROTECTION AREA DRINKING WATER SUPPLY _ MANAGEMENTAREA DVVSMA VULN ER ABILITY HIGH MODERATE I LOW I I CRY LIMITS DATA SOURCE: MN DEPT. OF HEALTH I j SOURCE WATER PROTECTION j MARCH 2019 "�-- 163 -Fridley I � 163 - Fridley F 0 z000 4.D00 it Feet 2.6 CLIMATE 573 - Mounds View The National Weather Service (NWS) station at Chanhassen, Minnesota publishes climate data for the Twin Cities area. The NWS is a branch of the National Oceanic and Atmospheric Administration (NOAA). Table 2.1 provides a summary of average precipitation data for the Twin Cities area. City of Mounds View 7 Local Surface Water Management Plan Stantec Project No. 193804166 (5 5tantec