Description:
Search for lakes, stream segments, or other surface water "units".
Search parameters:
One or more of the following search parameters need to be specified in order to retrieve data:
| auid |
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The assessment unit ID for water units that have been assessed.
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| hasAssessments |
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Whether or not any water quality assessments have been performed on the water unit {'Y', 'N'}.
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| huc8 |
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The 8-digit hydrological unit code for the water unit.
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| specificGeoAreaCode |
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The specific geographical area to search in.
(Ref:/api/doc/v1/surfacewater/geographic-areas)
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| wid |
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The ID for the water unit.
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| wuDisplayName |
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The "display" name of the water unit.
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| wuSearchString |
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The name of the water unit and/or county, city, township to search for.
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| wuType |
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The water unit type {'Stream', 'Lake', 'Wetland'}.
(Ref:/api/doc/v1/surfacewater/water-units/types)
|
Additional parameters:
The following, optional, parameters may be specified:
| format |
The desired return format. Valid formats are: {json, jsonp, text, csv, xls, ods, and tab}. The default is json. |
| callback |
The JSONP callback function name (Note that format needs to be "jsonp"). |
| fields |
The comma-separated-list of the field names to return from the query. The default is to return all available fields. |
| nullValue |
Value to substitute in place of null values. The default is to return null values as "null" (per JSON.org). |
| limit |
The number of records to limit the result set to. Behaves like the SQL standard LIMIT clause. |
| offset |
Used with Limit-- the record number to start retrieving from. Behaves like the SQL standard OFFSET clause. |
Result Set Definitions:
| countyList |
The list of counties that are spatially associated with the water unit. |
| ctuList |
The list of cities/towns/un-incorporated areas that are spatially associated with the water unit. |
| downstreamWid |
(stream water units) The ID of the stream segment immediately downstream from this one. NOTE: MPCA may not have assessed that downstream segment. |
| ecoregionName |
The ecoregion that the water unit is lLocated in or flows thru. (some streams flow thru more than one) |
| formerWidList |
Former ID: MPCA sometimes splits an water unit into two or more segments. Less often, two or more units are merged into one for future assessments. The Former ID is the MPCA ID this water unit had before the most recent split or merge involving it. Old numbers with an "-RF1" extension were simply replaced with a new number, usually without a split or merge involved. |
| hasAssessments |
Whether or not any water quality assessments have been performed on the water unit {'Y', 'N'}. |
| hasMonDataGraph |
Has monthly data graph. |
| huc8 |
The 8-digit hydrological unit code for the water unit. |
| lakeAltName |
(lake water units) The alternate name for the lake. |
| lakeAreaAcres |
(lake water units) The surface area of the lake (in acres). |
| lakeCriteriaType |
(lake water units) The category of water quality standards applicable to this lake: Lake; Shallow Lake or Reservoir; or Wetland. |
| lakeDepthMaxFt |
(lake water units) The maximum depth of the lake (in feet). |
| lat |
The latitude of the midpoint of the waterbody. |
| long |
The longitude of the midpoint of the waterbody. |
| retiredDate |
Retired date: The MPCA sometimes splits a water unit into two or more segments, or merges water units, which results in the "old" water unit being retired. |
| streamSegmentLength |
(stream water units) The length of the stream segment (in miles). |
| watershedName |
The name of the major watershed that the water unit is located in. |
| wid |
The ID for the water unit. |
| wuDisplayName |
The "display" name of the water unit. |
| wuLocation |
The water unit location. For streams, a from-to descriptor. For lakes, a nearby municipality. |
| wuSpecialDesignation |
Special Designation: Minnesota law mandates special protections for certain very-high-quality waters (Minn. Rules 7050.0180). |
| wuType |
The water unit type {'Stream', 'Lake', 'Wetland'}. |
| wuUseClassification |
Indicates the applicable water quality standards for assessment . |
| wuUseClassificationCode |
Code(s) to indicate the applicable water quality standards for assessment . |
Example Queries: