Can I eat the fish?
No public record
Not on public record
Source: U.S. EPA Fish Advisories
Lake Sakakawea Water Quality
Lake Sakakawea (North Dakota) water quality: public measurements, when they were taken, and what's still missing.
- Surface area
- 368,000 acres
- Maximum depth
- 180 feet
- Counties
- McLean, Mercer, Dunn, McKenzie, Mountrail, Williams
- Nearest town
- Garrison
- Lake type
- Reservoir
- HUC-8 watershed
- Not yet on record
- HUC-12 watershed
- Not yet on record
- Location
- 47.60° N, 102.20° W
Lake Atlas launches November 1, 2026.
Full lake records unlock on November 1, 2026. What follows is a preview.
Advisories & Listings
Most recent update
Not on public record
What state and federal agencies have on record for Lake Sakakawea.
Are there swimming advisories?
No public record
Not on public record
Has a harmful algal bloom been reported?
No public record
Not on public record
Is the lake on the state's impaired waters list?
No public record
Not on public record
Are invasive species recorded?
No public record
Not on public record
Source links remain available when a lake is not listed or its status is not on public record. A source link does not establish a lake-specific listing. Lakes can be added to or removed from agency lists between Lake Atlas updates. Lake Atlas is updated quarterly, not daily. Always check with the issuing agency for current advisories before you swim or eat fish.
Something missing or not accurate? Contact Lake Pulse.
Lake Profile
Public facts about Lake Sakakawea.
- Name (and other names)
Lake Sakakawea
Sample · Source: Not on public record- State
North Dakota
Sample · Source: Not on public record- County
McLean, Mercer, Dunn, McKenzie, Mountrail, Williams
Sample · Source: Not on public record- Nearest community
Garrison
Sample · Source: Not on public record- Latitude / longitude
47.60° N, 102.20° W
Sample · Source: Not on public record- Surface area (acres)
368,000 acres
Sample · Source: Not on public record- Maximum depth (ft)
180 feet
Sample · Source: Not on public record- Mean depth (ft)
- Not on public record
- Shoreline length (mi)
- Not on public record
- Elevation (ft)
- Not on public record
- Lake type
Reservoir
Sample · Source: Not on public record- State waterbody ID
- Not on public record
- HUC-8 watershed
- Not on public record
- HUC-12 subwatershed
- Not on public record
- Major river basin
- Not on public record
- EPA Level III ecoregion
- Not on public record
- Public access
- Not on public record
Something missing or not accurate? Contact Lake Pulse.
Water Quality Record
The most recent public value for each key measure, with its date and source.
Clarity
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
Nutrients
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
Algae & Blooms
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
Oxygen
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
Bacteria
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
Invasive Species
Not on public recordNot on public record
Collected: Not on public record- Record age
- Not on public record
- Source
- Not on public record
| Parameter | Status | Record age | Latest value | Date | Source |
|---|---|---|---|---|---|
| Clarity | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
| Nutrients | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
| Algae & Blooms | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
| Oxygen | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
| Bacteria | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
| Invasive Species | Not on public record | Not on public record | Not on public recordCollected: Not on public record | Not on public record | Not on public record |
Values come from public agency, university and federal monitoring and reflect conditions on the date sampled. Older values are shown with their dates. This is not an inspection or disclosure, and Lake Pulse does not verify third-party data.
Something missing or not accurate? Contact Lake Pulse.
About Lake Sakakawea
The lake
Not on public record
Something missing or not accurate? Contact Lake Pulse.
About Lake Atlas
Lake Atlas is the public record for thousands of lakes in the lower 48, gathering water quality data, advisories and lake facts from state agencies, universities and federal sources into one open page per lake. It's built for anyone who needs to know a lake before they act: residents and lake associations, buyers and real estate agents, anglers and swimmers, consultants and lake managers, and the agencies whose data it credits. If you live on or near this lake and it's the one you care about most, join this lake's Lake Pulse community for the data, testing and insights on its lake health and safety that aren't available in Atlas.
Sources & methods
Lake Pulse is independent. We don't sell treatments and have no stake in what the data shows. We never share a lake's private data — everything on this page comes from publicly available sources.
Are we missing data on Lake Sakakawea?
Agencies, associations and residents: if you know a public source we haven't included, tell us.
ContactEvery value on this page comes from public sources and is shown with its date. This page is not an inspection, certification or disclosure. Check with local authorities before swimming or eating fish. Lake Pulse never shares a lake's private data.
Lake Pulse
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Subscribers keep their lake's own data in your lake's record.
Permanent does not mean official.