

85-20-401. United States National Park Service-Montana compact ratified. The compact entered into by the state of Montana and the United States National Park Service and filed with the secretary of state of the state of Montana under the provisions of 85-2-702 on May 12, 1993, is ratified. The compact is as follows:
| Place of Use | Total | Maximum |
| Volume | Flow Rate | |
| (ac-ft) | (gpm) | |
| Visitor center | ||
| Museum | ||
| Maintenance area | ||
| Residences | ||
| Picnic area | ||
| Irrigation | ||
| Total for all use | 7.14 | 50 |
| Month | Consumptive Use |
| April | 4.85 |
| May | 23.85 |
| June | 18.70 |
| July | 4.05 |
| Aug. | 1.75 |
| Sept. | 1.35 |
| Oct. | 1.50 |
| Place of Use | Total | Maximum |
| Volume | Flow Rate | |
| (ac-ft) | (gpm) | |
| Fort Smith Visitor center | 17.6 | 110 |
| Ok-A Beh/Marina | 6.9 | 35 |
| Grapevine Creek Overflow | ||
| Campground | 12.5 | 110 |
| Barry's Landing, Trail Creek, | ||
| Chain Canyon | 29.3 | 180 |
| Bighorn River Ranch | 4.7 | 35 |
| Layout Creek Ranger Station, | ||
| Sorenson Ranch | 140.4 | 230 |
| Lockhart Ranch | 25.6 | 110 |
| Hillsboro Site | 11.0 | 230 |
| Stock and Wildlife Watering | 3.5 | |
| Total Volume of Use: | 251.5 acre-feet | |
| Dry Head | Deadman | Davis | Layout |
| 2.23* | 1.59** | 0.50 | 0.11 |
| Sorenson Spring | Sec. 09, T9S, R28E |
| Lockhart #1 Spring | Sec. 13, T8S, R28E |
| Lockhart #2 Spring | Sec. 13, T8S, R28E |
| Hillsboro Spring | Sec. 36, T8S, R28E |
| Place of Use | Total | Maximum |
| Volume | Flow Rate | |
| (ac-ft) | (gpm) | |
| North Fork Flathead River Basin | ||
| Station, campground | 4.7 | 70 |
| Backcountry Use | 1.98 | |
| Backcountry Patrol Cabins | 2.06 | 55 |
| Middle Fork Flathead River Basin | ||
| McDonald Creek areas | 246.00 | 1720 |
| Middle Fork areas | 0.70 | 10 |
| Backcountry Use | 2.42 | |
| Backcountry Patrol Cabins | 2.06 | 55 |
| Saint Mary River Basin | ||
| Northern Border areas | 2.20 | 20 |
| Many Glacier areas | 166.40 | 600 |
| Saint Mary areas | 128.40 | 915 |
| Backcountry Use | 2.02 | |
| Backcountry Patrol Cabins | 1.50 | 40 |
| Two Medicine River Basin | ||
| Two Medicine areas | 6.40 | 70 |
| Backcountry Use | 0.38 | |
| Backcountry Patrol Cabins | 0.19 | 5 |
| Cut Bank River Basin | ||
| Backcountry Use | 0.18 | |
| Backcountry Patrol Cabins | 0.19 | |
| Milk River Basin | ||
| Backcountry Use | 0.02 | |
| GNP TOTAL | 567.80 | |
| Month | North Fork | Middle Fork |
| Flathead River | Flathead River | |
| Jan. | 7.5 | 7.1 |
| Feb. | 7.2 | 6.9 |
| Mar. | 8.9 | 8.1 |
| April | # | # |
| May | # | # |
| June | # | # |
| July | 40.5 | # |
| Aug. | 16.2 | 13.7 |
| Sept. | 11.8 | 9.7 |
| Oct. | 11.8 | 10.6 |
| Nov. | 12.0 | 11.6 |
| Dec. | 9.0 | 9.2 |
| Place of Use | Total | Maximum | Source |
| Volume | Flow Rate | ||
| (ac-ft) | (gpm) | ||
| Cemetery, Visitors Center, | |||
| Administrative Offices, | |||
| Residences, Historic Buildings | 84.9 | 450 | ground- |
| Maintenance Area, and Firehouse | water | ||
| Facilities. | well | ||
| Place of Use | Total | Maximum |
| Volume | Flow Rate | |
| (ac-ft) | (gpm) | |
| Yellowstone River Basin | ||
| North Entrance | 1.70 | 35 |
| Stephens Creek facilities | 12.00 | 50 |
| TW facilities (Gardiner) | 58.70 | 300 |
| NE Entrance | 15.60 | 50 |
| Backcountry Use | 10.70 | |
| Backcountry Patrol Cabins | 2.00 | 15 |
| Day Use Areas | 2.40 | 6 |
| Gallatin River Basin | ||
| NW Entrance Area | 15.00 | 50 |
| Backcountry Use | 2.80 | |
| Backcountry Patrol Cabins | 0.50 | 10 |
| Day Use Areas | 0.60 | 6 |
| Madison River Basin | ||
| West Entrance | 48.90 | 200 |
| Backcountry Use | 2.80 | |
| Backcountry Patrol Cabins | 0.50 | 10 |
| Day Use Areas | 0.70 | 6 |
| YNP TOTAL | 174.90 | |
| Month | Crevice | Dry Canyon | Slough | Tepee |
| Creek | Creek | Creek | Creek | |
| Jan. | 0.2 | 0.1 | 1.5 | 0.3 |
| Feb. | 0.2 | 0.1 | 1.6 | 0.3 |
| Mar. | 0.3 | 0.1 | 1.9 | 0.4 |
| April | 1.1 | 0.2 | 5.6 | 1.2 |
| May | 3.8 | 1.3 | 19.8 | 4.5 |
| June | 3.4 | 1.2 | 22.4 | 5.3 |
| July | 1.0 | 0.3 | 7.3 | 1.7 |
| Aug. | 0.4 | 0.2 | 2.9 | 0.8 |
| Sept. | 0.4 | 0.1 | 2.3 | 0.6 |
| Oct. | 0.4 | 0.1 | 2.4 | 0.6 |
| Nov. | 0.3 | 0.1 | 2.1 | 0.5 |
| Dec. | 0.2 | 0.1 | 1.8 | 0.4 |
| Month | Crevice | Dry Canyon | Slough | Tepee | |
| Creek | Creek | Creek | Creek | ||
| Jan. | 3.8 | 1.1 | 28.9 | 6.5 | |
| Feb. | 4.5 | 1.0 | 30.6 | 6.5 | |
| Mar. | 5.2 | 1.2 | 35.4 | 7.7 | |
| April | 20.2 | 4.7 | 106.4 | 23.7 | |
| May | 71.8 | 24.0 | 376.2 | 84.6 | |
| June | 63.8 | 22.9 | 425.6 | 100.1 | |
| July | 18.7 | 6.6 | 138.7 | 33.2 | |
| Aug. | 8.1 | 3.1 | 55.2 | 14.9 | |
| Sept. | 7.0 | 2.0 | 44.2 | 10.9 | |
| Oct. | 7.1 | 1.9 | 46.0 | 10.8 | |
| Nov. | 5.2 | 1.5 | 39.5 | 9.1 | |
| Dec. | 3.9 | 1.4 | 34.1 | 8.1 | |
| Month | Flow |
| Jan. | 0.3 |
| Feb. | 0.3 |
| Mar. | 0.2 |
| April | 0.1 |
| May | 6.2 |
| June | 17.5 |
| July | 6.4 |
| Aug. | 2.4 |
| Sept. | 0.8 |
| Oct. | 0.7 |
| Nov. | 0.5 |
| Dec. | 0.3 |
| Month | Flow |
| Jan. | 5.4 |
| Feb. | 5.1 |
| Mar. | 4.0 |
| April | 1.7 |
| May | 116.9 |
| June | 332.5 |
| July | 120.7 |
| Aug. | 46.4 |
| Sept. | 15.3 |
| Oct. | 14.2 |
| Nov. | 9.3 |
| Dec. | 6.3 |
| Gallatin | Madison | Yellowstone | |
| Month | River | River | River |
| Jan. | 3.1 | 19.9 | 41.2 |
| Feb. | 3.1 | 19.7 | 40.6 |
| Mar. | 3.5 | 20.0 | 44.5 |
| April | 9.8 | 24.3 | 73.7 |
| May | 39.3 | 40.92 | 84.7 |
| June | 48.0 | 40.2 | 556.7 |
| July | 15.7 | 24.7 | 335.0 |
| Aug. | 5.8 | 21.4 | 156.5 |
| Sept. | 4.4 | 21.1 | 96.0 |
| Oct. | 4.6 | 21.4 | 75.0 |
| Nov. | 4.2 | 21.0 | 58.4 |
| Dec. | 3.8 | 20.4 | 47.2 |