# Koch Warner Drain

Koch Warner Drain is a stream in [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (10.0 km long), in the [River Raisin (HUC10 0410000204)](https://ontology.bommaritollc.com/id/01a0de92-1f05-75ac-b659-d4f5d6aa94f4) watershed; it flows into [Saline River](https://ontology.bommaritollc.com/id/01a0ddfe-c720-73fa-b593-26951ced17b0).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)

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

Location: 42.15337, -83.77716 (box -83.77722, 42.15290, -83.69937, 42.19677; west, south, east, north)

- `adms:identifier`: [gnis 629835](https://ontology.bommaritollc.com/id/01a0ddfe-baf8-70fc-ace7-35db73e998eb)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Saline River](https://ontology.bommaritollc.com/id/01a0ddfe-c720-73fa-b593-26951ced17b0)
- `geo:hasDefaultGeometry`: [shape of Koch Warner Drain](https://ontology.bommaritollc.com/id/01a0de2c-cd74-7498-b331-531d4574c158)
- `geo:hasGeometry`:
  - [point of Koch Warner Drain](https://ontology.bommaritollc.com/id/01a0ddfe-f265-742e-8177-b7ae277927a2)
  - [shape of Koch Warner Drain](https://ontology.bommaritollc.com/id/01a0de2c-cd74-7498-b331-531d4574c158)
- `geo:hasMetricLength`: 10008.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [River Raisin (HUC10 0410000204)](https://ontology.bommaritollc.com/id/01a0de92-1f05-75ac-b659-d4f5d6aa94f4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a8449bfc6cad)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5189-73d2-8b29-6a25e0ffa2c6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18f4-7639-90d3-7c0cd70cd946)
- `schema:containedInPlace`:
  - [Washtenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5a16-75b9-a286-85a89060c472)
  - [Pittsfield Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-78da-7697-8de0-b97914e20f65)
  - [Saline Township](https://ontology.bommaritollc.com/id/01a0ca47-79c4-7522-ad33-dda7eba022ef)
  - [York Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7cb7-7782-b4f2-5e9921e78511)
  - [Saline](https://ontology.bommaritollc.com/id/01a0ca47-9c59-75ef-9632-900de01a9f85)
- `skos:prefLabel`: Koch Warner Drain

## Elsewhere

- [USGS GNIS 629835](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/629835) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.15337&mlon=-83.77716#map=14/42.15337/-83.77716) (42.15337, -83.77716)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.15337,-83.77716)
- [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`):
  - [Pittsfield Number Five Drain](https://ontology.bommaritollc.com/id/01a0ddfe-c441-7439-93aa-4ef1caaba368)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5)
Cite as: Koch Warner Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-baf7-712c-ada9-a845d8e1c5d5
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.