# Portage Lake

Portage Lake is a lake in [Mendon Township](https://ontology.bommaritollc.com/id/01a0ca47-6142-72a8-ac42-c2fa84937e89), [St. Joseph County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-9826dab2a9ac), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.6 km²), in the [Portage River (HUC10 0405000105)](https://ontology.bommaritollc.com/id/01a0de92-1d13-7587-ad14-2da641143c9b) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [St. Joseph County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-9826dab2a9ac) › [Mendon Township](https://ontology.bommaritollc.com/id/01a0ca47-6142-72a8-ac42-c2fa84937e89)

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

Location: 42.04947, -85.50975 (box -85.52229, 42.03920, -85.49440, 42.05669; west, south, east, north)

- `adms:identifier`: [gnis 1624842](https://ontology.bommaritollc.com/id/01a0ddfe-dbf8-73d7-8ec5-3efa1ed0b06e)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Portage Lake](https://ontology.bommaritollc.com/id/01a0de2c-e1b3-7627-928a-2e8bf3f6dd1e)
- `geo:hasGeometry`:
  - [point of Portage Lake](https://ontology.bommaritollc.com/id/01a0ddff-1941-77d8-975b-caf59d0aa51f)
  - [shape of Portage Lake](https://ontology.bommaritollc.com/id/01a0de2c-e1b3-7627-928a-2e8bf3f6dd1e)
- `geo:hasMetricArea`: 1620614.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Portage River (HUC10 0405000105)](https://ontology.bommaritollc.com/id/01a0de92-1d13-7587-ad14-2da641143c9b)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb44d33470c2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6a5c-71a4-9d2b-978cd2d1a375)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1687-7260-adce-8db144ef7476)
- `schema:containedInPlace`:
  - [St. Joseph County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-9826dab2a9ac)
  - [Mendon Township](https://ontology.bommaritollc.com/id/01a0ca47-6142-72a8-ac42-c2fa84937e89)
- `skos:prefLabel`: Portage Lake

## Elsewhere

- [Wikidata Q33300295](https://www.wikidata.org/wiki/Q33300295) (proposed match (exactMatch))
- [USGS GNIS 1624842](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1624842) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.04947&mlon=-85.50975#map=14/42.04947/-85.50975) (42.04947, -85.50975)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.04947,-85.50975)
- [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)

## Pointing here

- Flowing into it (1; `bcgeo:flowsInto`):
  - [Butternut Creek](https://ontology.bommaritollc.com/id/01a0ddfe-db67-7527-825b-1316c4cf207d)
- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q33300295 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-79e5-7590-838d-35ed7e466bad)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf)
Cite as: Portage Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-dbf7-73c8-ba30-eb45cb09fcdf
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.