O.H Ivie is managed by Colorado River Municipal Water District (CRMWD). Lake Insights displays its latest available elevation from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. Published reference elevations are listed below.
Lake Status
22.36 feet below full pool
−22.36 ft vs full pool
- 7-day trend
- Falling
- 7-day change
- Down 0.24 ft
- 30-day change
- Down 1.10 ft
- Last updated
- 1 hour ago
O.H Ivie is currently 22.36 feet below full pool and has fallen slightly over the past week. Readings show continued drawdown relative to full pool, with levels trending lower over the past week.
Watershed drought conditions
Coleman County, TX · surrounding county from lake location
Moderate Drought
Moderate drought is affecting the watershed.
Severity
Weekly trend
Stable
Compared with last week
Official drought
Yes
100% of the watershed is currently classified as official drought (D1+).
Expected impacts
- Stream inflows may run below normal
- Lake levels can decline faster between rain events
- Vegetation stress may increase over time
U.S. Drought Monitor · map date Sep 15, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Coleman County, TX
Key Facts
Managing authority
Waterbody / project type
Full pool
Flood stage
Datum
Current-level source
Why the level can change
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Published reference elevations
- Full pool
- 1552.00 ft
- Flood stage
- 1562.00 ft
Published reference elevation. Not necessarily a fixed year-round target for every project.
Flood stage is not interchangeable with flood pool.
Current data source
Managing authority: Colorado River Municipal Water District (CRMWD)
Observation source used by Lake Insights: NOAA / National Weather Service — Advanced Hydrologic Prediction Service
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
General education
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For NOAA / National Weather Service — Advanced Hydrologic Prediction Service, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
Common questions about O.H Ivie
- Who manages O.H Ivie?
- O.H Ivie is managed by Colorado River Municipal Water District (CRMWD). Lake Insights reports published gauge readings; it does not operate the waterbody.
- What is full pool at O.H Ivie?
- The published full-pool elevation for O.H Ivie is 1552.00 ft (NGVD29). Full pool is a published reference elevation — not a prediction of today’s level.
- Where does Lake Insights get the level reading for O.H Ivie?
- Lake Insights displays the latest available elevation for O.H Ivie from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. The managing authority (Colorado River Municipal Water District (CRMWD)) may differ from the agency that publishes the observation used on this page.
- What datum is used for O.H Ivie?
- Elevations for O.H Ivie are referenced to NGVD29 (MSL).