My WebLink
|
Help
|
About
|
Sign Out
Home
2002 Natural Resources Management
Roseville
>
Studies, Task Forces, Special Committees, Reports
>
Parks and Recreation
>
2002 Natural Resources Management
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
7/13/2012 10:46:09 AM
Creation date
7/13/2012 10:41:05 AM
Metadata
Jump to thumbnail
< previous set
next set >
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
214
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
Table 5.2 -Lake Water Quality Report Card Grade Ranged <br />1 Grades characterize open -water quality of lakes. Other nuisances, such as abundance of aquatic plant growth, are not <br />accounted for <br />2 Mean values for May- September period <br />Source: Twin Cities Metropolitan Council <br />Based on data for 2001, the grades for Langton and Bennett Lakes are presented in Table 5.3. <br />Table 5.3 -Water Quality Grades for Roseville Lakes <br />(based on mean recreation season values for Total Phosphorous (TP)) <br />Lake <br />Total Phosphorus2 <br />Chlorophyll "a "2 <br />Water Clarity2 <br />Grade <br />(ug /1) <br />(ug /1) <br />(meters) <br />Comment /Explanation <br />140 <br />D- <br />angton <br />2001 <br />Exceptional quality; no <br />A <br /><23 <br /><10 <br />>3.0 <br />recreational use impairment <br />Very good quality; minor <br />B <br />23 -32 <br />20 -30 <br />2.2 -3.0 <br />recreational impairment, <br />often in late summer <br />Average quality for this <br />C <br />33 -68 <br />20 -48 <br />1.2 -2.2 <br />region; moderate <br />impairment for recreational <br />use, often in the later half of <br />the summer <br />D <br />69 -152 <br />48 -87 <br />.7 -1.2 <br />Poor quality; recreational <br />use severely impaired <br />F <br />>152 <br />>77 <br /><. 7 <br />Extremely poor quality; no <br />recreational use possible <br />1 Grades characterize open -water quality of lakes. Other nuisances, such as abundance of aquatic plant growth, are not <br />accounted for <br />2 Mean values for May- September period <br />Source: Twin Cities Metropolitan Council <br />Based on data for 2001, the grades for Langton and Bennett Lakes are presented in Table 5.3. <br />Table 5.3 -Water Quality Grades for Roseville Lakes <br />(based on mean recreation season values for Total Phosphorous (TP)) <br />Lake <br />Data Year <br />Total Phosphorus Value <br />Grade <br />(ug /1) <br />ennett <br />2001 <br />140 <br />D- <br />angton <br />2001 <br />80 <br />D+ <br />City of Roseville 37 <br />Parks Natural Resource Management <br />
The URL can be used to link to this page
Your browser does not support the video tag.