# Winnewana Impoundment

Winnewana Impoundment is a reservoir in [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3), [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.2 km²), in the [Portage River-Grand River (HUC10 0405000402)](https://ontology.bommaritollc.com/id/01a0de92-1d65-76e2-ab0b-eba88717aceb) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472) › [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3)

Type: [geo:Feature](http://www.opengis.net/ont/geosparql#Feature), [schema:Place](https://schema.org/Place), [schema:Reservoir](https://schema.org/Reservoir)

Location: 42.35328, -84.10463 (box -84.11648, 42.34650, -84.09494, 42.36096; west, south, east, north)

- `adms:identifier`: [gnis 1616638](https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c270a2be98da)
- `dcterms:type`: [reservoir](https://ontology.bommaritollc.com/vocab/geo/gnisReservoir)
- `geo:hasDefaultGeometry`: [shape of Winnewana Impoundment](https://ontology.bommaritollc.com/id/01a0de2c-d932-76f8-9119-36750b1d5023)
- `geo:hasGeometry`:
  - [point of Winnewana Impoundment](https://ontology.bommaritollc.com/id/01a0ddff-0b63-74d8-8d9b-10420b689fef)
  - [shape of Winnewana Impoundment](https://ontology.bommaritollc.com/id/01a0de2c-d932-76f8-9119-36750b1d5023)
- `geo:hasMetricArea`: 1156771.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Portage River-Grand River (HUC10 0405000402)](https://ontology.bommaritollc.com/id/01a0de92-1d65-76e2-ab0b-eba88717aceb)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cf74-705c-97cd-dc8340bfd5a6)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6105-703a-89fd-d921f3168421)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16f1-7705-8998-d3981d4a9d6d)
- `schema:containedInPlace`:
  - [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)
  - [Lyndon Township](https://ontology.bommaritollc.com/id/01a0ca47-694c-75ed-88e2-6bb572e99cb3)
- `skos:prefLabel`: Winnewana Impoundment

## Elsewhere

- [USGS GNIS 1616638](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1616638) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.35328&mlon=-84.10463#map=14/42.35328/-84.10463) (42.35328, -84.10463)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.35328,-84.10463)
- [Source](https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip) (prd-tnm.s3.amazonaws.com)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)
- [Source](https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer) (hydro.nationalmap.gov)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1)
Cite as: Winnewana Impoundment. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-cf75-73c5-b280-c26788861ae1
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.