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Water Quality Listing Policy
Listing ID: 89177
Main Listing Information
Listing ID
89177
Waterbody Name
SQUILCHUCK CREEK
Medium
Water
Parameter
Bacteria - Fecal coliform
WQI Project
None
Designated Use
Recreation - Primary Contact
Current Category
5
Year
Category
2018
5
Assessment Unit
Assessment Unit ID
17020010000317_001_001
Size
3.834 Kilometers
Associated Components(s)
Reach: 17020010000317 4.1% - 100%, Type: Rivers/Streams
County
Chelan
WRIA
Alkali-Squilchuck
Basis Table
Assessment Year
2018
Sampling Year
Excursion Count
Sample Count
Criterion/Threshold
Aggregate
Calculated Value
Criterion 2
Aggregate 2
Calculated Value 2
2016
1
11
200 #col/100ml
Highest daily average
240
100 #col/100ml
Three-month geometric mean
213
Basis Statement
Remarks
Item
Assessment Cycle 2018 - During water year 2016, the geometric mean of at least one three-month period exceeded the standards or the ten percent criterion was exceeded with at least two samples exceeding the criterion magnitude in the year.
Data Sources
Study Id
Location Id
Source Database
AMS001
40A050
EIM
Map Link
Map Link
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