States / Montana

Montana: frozen study record

38 scored service markets in the September 27, 2026 snapshot; mean MISI 18.3.

Stable	Watch	Fragile	High Stress
23	15	0	0

Recorded history

Mean among scored MT markets on 128 actual dates, 2026-03-18–2026-09-27. Cohort and methodology may change; this is not a controlled improvement/deterioration measure.

Read 128 date counts and means

Date	Score rows	Mean MISI
2026-03-18	1	0.000
2026-03-20	1	0.000
2026-03-21	1	0.000
2026-03-22	1	0.000
2026-03-24	38	4.737
2026-03-25	38	4.947
2026-03-29	38	4.947
2026-04-02	38	8.684
2026-04-03	76	8.684
2026-04-04	38	6.000
2026-04-05	76	6.000
2026-04-06	38	20.053
2026-04-07	38	20.053
2026-04-08	38	20.158
2026-04-09	38	20.158
2026-04-10	38	20.342
2026-04-13	38	20.342
2026-04-14	38	20.342
2026-04-18	38	20.342
2026-04-19	38	20.342
2026-04-21	38	20.342
2026-04-22	38	20.342
2026-04-23	38	20.342
2026-04-24	38	20.342
2026-04-25	38	20.368
2026-04-26	76	19.829
2026-04-27	38	19.289
2026-04-28	38	19.289
2026-04-29	38	19.289
2026-04-30	38	19.289
2026-05-01	38	19.289
2026-05-02	38	19.289
2026-05-03	38	19.289
2026-05-04	38	19.289
2026-05-05	38	19.289
2026-05-06	38	19.289
2026-05-07	38	19.289
2026-05-08	38	19.170
2026-05-09	38	19.170
2026-05-10	38	19.170
2026-05-17	38	19.170
2026-05-19	38	19.170
2026-05-21	38	19.170
2026-05-22	38	19.499
2026-05-24	38	19.499
2026-05-26	38	19.499
2026-05-28	38	19.499
2026-05-31	38	19.499
2026-06-01	38	19.499
2026-06-02	38	19.499
2026-06-08	38	19.363
2026-06-11	38	19.363
2026-06-12	38	19.311
2026-06-14	38	19.311
2026-06-15	38	19.311
2026-06-16	38	19.311
2026-06-22	38	19.363
2026-06-23	38	19.363
2026-06-28	38	19.363
2026-06-29	38	19.363
2026-06-30	38	19.363
2026-07-01	38	19.363
2026-07-02	38	19.363
2026-07-03	38	18.998
2026-07-04	38	18.998
2026-07-05	38	18.998
2026-07-06	38	18.998
2026-07-07	38	18.998
2026-07-08	38	18.998
2026-07-09	38	18.998
2026-07-10	38	18.868
2026-07-11	38	18.868
2026-07-12	38	18.868
2026-07-13	38	18.868
2026-07-14	38	18.868
2026-07-16	38	18.868
2026-07-17	38	18.868
2026-07-18	38	18.868
2026-07-19	38	18.868
2026-07-20	38	18.868
2026-07-21	38	18.868
2026-07-22	38	18.868
2026-07-23	38	18.868
2026-07-29	38	18.576
2026-07-30	38	18.576
2026-07-31	38	18.324
2026-08-01	38	18.200
2026-08-02	38	18.200
2026-08-03	38	18.200
2026-08-08	38	18.285
2026-08-09	38	18.285
2026-08-10	38	18.285
2026-08-15	38	18.815
2026-08-16	38	18.815
2026-08-17	38	18.815
2026-08-18	38	18.815
2026-08-20	38	18.815
2026-08-22	38	18.841
2026-08-23	38	18.841
2026-08-24	38	18.841
2026-08-25	38	18.841
2026-08-26	38	18.841
2026-08-27	38	18.841
2026-08-28	38	18.841
2026-08-31	38	18.841
2026-09-01	38	18.841
2026-09-02	38	18.841
2026-09-04	38	18.841
2026-09-05	38	18.841
2026-09-06	38	18.841
2026-09-07	38	18.841
2026-09-09	38	18.841
2026-09-10	38	18.841
2026-09-12	38	18.472
2026-09-13	38	18.472
2026-09-14	38	18.472
2026-09-15	38	18.472
2026-09-16	38	18.472
2026-09-17	38	18.472
2026-09-18	38	18.259
2026-09-19	38	18.259
2026-09-20	38	18.259
2026-09-21	38	18.259
2026-09-22	38	18.259
2026-09-23	38	18.259
2026-09-25	38	18.259
2026-09-26	38	18.259
2026-09-27	38	18.259

Approved archived profiles

38 profiles are in the approved public cohort. 0 scored records in this state are held for publication review and have no profile route. Showing the first 30 approved names here.

ANACONDA WATER DEPARTMENT MISI 9.994 · Stable
BELGRADE CITY OF MISI 3.956 · Stable
BIG SKY COUNTY WATER AND SEWER DIST 363 MISI 18.900 · Stable
BILLINGS CITY OF MISI 23.856 · Watch
BOZEMAN CITY OF MISI 14.752 · Stable
BUTTE SILVERBOW WATER DEPT MISI 25.420 · Watch
CO WATER DIST OF BILLINGS HEIGHTS MISI 25.883 · Watch
COLUMBIA FALLS CITY OF MISI 14.348 · Stable
DILLON CITY OF MISI 15.948 · Stable
FLATHEAD COUNTY WATER AND SEWER MISI 14.990 · Stable
GLENDIVE CITY OF MISI 36.372 · Watch
GREAT FALLS CITY OF MISI 18.393 · Stable
HAMILTON CITY OF MISI 18.056 · Stable
HARDIN CITY OF MISI 39.011 · Watch
HAVRE CITY OF MISI 27.695 · Watch
HELENA WATER SYSTEM MISI 15.104 · Stable
KALISPELL PUBLIC WORKS MISI 15.059 · Stable
LAUREL MUNICIPAL WATER SYSTEM MISI 28.311 · Watch
LEWISTOWN CITY OF MISI 7.554 · Stable
LIBBY CITY OF MISI 23.186 · Watch
LIVINGSTON CITY OF MISI 11.154 · Stable
LOCKWOOD WATER AND SEWER DISTRICT MISI 16.364 · Stable
MALMSTROM AIR FORCE BASE MISI 25.321 · Watch
MILES CITY CITY OF MISI 32.473 · Watch
MONTANA STATE UNIVERSITY BILLINGS MISI 9.598 · Stable
MONTANA STATE UNIVERSITY BOZEMAN MISI 3.956 · Stable
MOUNTAIN WATER COMPANY MISI 21.390 · Watch
POLSON CITY OF MISI 30.704 · Watch
QUARTZ FLAT REST STOP WEST MISI 0.000 · Stable
RIVER ROCK COUNTY WATER AND SEWER DIST MISI 25.252 · Watch

Screen all approved MT profiles · Search names