# Hart Lake

Hart Lake is a reservoir in [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (94.5 ha), in the [Pentwater River (HUC10 0406010106)](https://ontology.bommaritollc.com/id/01a0de92-1db2-75c0-8841-48650cd890e3) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049)

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

Location: 43.70566, -86.36466 (box -86.37532, 43.70299, -86.33271, 43.71785; west, south, east, north)

- `adms:identifier`: [gnis 1620138](https://ontology.bommaritollc.com/id/01a0ddfe-d493-7291-970e-56f9fa402f91)
- `dcterms:type`: [reservoir](https://ontology.bommaritollc.com/vocab/geo/gnisReservoir)
- `geo:hasDefaultGeometry`: [shape of Hart Lake](https://ontology.bommaritollc.com/id/01a0de2c-dc13-7500-985f-ae3234e6abbe)
- `geo:hasGeometry`:
  - [point of Hart Lake](https://ontology.bommaritollc.com/id/01a0ddff-1100-7501-8db0-4c5451fdd7c9)
  - [shape of Hart Lake](https://ontology.bommaritollc.com/id/01a0de2c-dc13-7500-985f-ae3234e6abbe)
- `geo:hasMetricArea`: 945080.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Pentwater River (HUC10 0406010106)](https://ontology.bommaritollc.com/id/01a0de92-1db2-75c0-8841-48650cd890e3)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5e75a30d3f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-64e9-70e1-8b5a-ae333d68fec7)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1750-7619-8626-7cae0c5e3056)
- `schema:containedInPlace`:
  - [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049)
  - [Hart Township](https://ontology.bommaritollc.com/id/01a0ca47-7cd8-72fb-a43f-2f8ee3b02a4c)
  - [Hart](https://ontology.bommaritollc.com/id/01a0ca47-90b6-7055-ae8e-14b690bea122)
- `skos:prefLabel`: Hart Lake

## Elsewhere

- [USGS GNIS 1620138](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1620138) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.70566&mlon=-86.36466#map=14/43.70566/-86.36466) (43.70566, -86.36466)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.70566,-86.36466)
- [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`):
  - [South Branch Pentwater River](https://ontology.bommaritollc.com/id/01a0ddfe-d87f-7255-b307-750889ea53cb)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a)
Cite as: Hart Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d492-7761-b75b-ea5f113d9d5a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.