# IDAPA 37.03.06.025: Section 025. Hazard Classification

> Idaho · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_025

## Section

- **Citation:** IDAPA 37.03.06.025
- **Heading:** Section 025. Hazard Classification
- **Jurisdiction:** Idaho
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Idaho Administrative Code / IDAPA 37 (Water Resources, Department of) / Chapter 37.03.06 / Section 025

## Text

01. Hazard Classification. The following table describes categories of hazard used by the Departmen t to classify dams relative to the potential failure consequences estimated for downstream locations. The listed hazard classifications are meant to serve as guidelines for implementing design, construction, and operation criteria, subjec t to final interpretation by the Director: Estimated Hazard Classification Downstream Development Economic Losses Loss of Life Low economic losses generally lim- Undeveloped property, no ited to the owner; low damage to or permanent or permanently Low No loss of life disruption of transportation, utilities, occupied structures for human or other public facilities or values habitation. including environmental loss. Estimated Hazard Classification Downstream Development Economic Losses Loss of Life No concentrated urban devel- Moderate damage to agricultural, opment, 1 or more permanent commercial, or industrial facilities; structures for human habita- Loss of life is moderate damage to or the disrup- Significant tion within the flood zone that unlikely to tion of transportation, utilities, or are potentially inundated with occur other public facilities or values includ- flood water at a depth of less ing environmental loss. than two (2) feet. Urban development, or any Severe damage to agricultural, com- structure for permanent or mercial, or industrial facilities; dam- temporary human habitation High probabil- age to or the prolonged disruption of High which are potentially inun- ity for loss of transportation, utilities, or other pub- dated with flood water at a life lic facilities or values including envi- depth of two (2) feet or ronmental loss. greater. (3-30-23) 02. Determination of Hazard Classification. The Director shall determine the hazard classification of a new or existing dam governed by these rules
the prolonged disruption of High which are potentially inun- ity for loss of transportation, utilities, or other pub- dated with flood water at a life lic facilities or values including envi- depth of two (2) feet or ronmental loss. greater. (3-30-23) 02. Determination of Hazard Classification. The Director shall determine the hazard classification of a new or existing dam governed by these rules. Hazard classifications shall be assigned to new and existing dam s based on the severity of failure consequences exclusive of the size or the physical condition of the dam. Th e designated hazard classification, as established by the Director, shall determine the applicable design and operationa l standards applied to the dam. (3-30-23) 026. – 029. (RESERVED)

## Nearby sections

- [IDAPA 37.03.06.000 Section 000. Legal Authority](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_000.md)
- [IDAPA 37.03.06.001 Section 001. Scope](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_001.md)
- [IDAPA 37.03.06.002 Section 002. Administrative Appeals](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_002.md)
- [IDAPA 37.03.06.010 Section 010. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_010.md)
- [IDAPA 37.03.06.015 Section 015. Authority Of Representative](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_015.md)
- [IDAPA 37.03.06.020 Section 020. Dam Size Classification](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_020.md)
- [IDAPA 37.03.06.025 Section 025. Hazard Classification](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_025.md)
- [IDAPA 37.03.06.030 Section 030. Forms](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_030.md)
- [IDAPA 37.03.06.035 Section 035. Design Reports, Drawings, And Specifications](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_035.md)
- [IDAPA 37.03.06.045 Section 045. Emergency Action And Operation Plans](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_045.md)
- [IDAPA 37.03.06.050 Section 050. New Dams And Reservoirs](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_050.md)
- [IDAPA 37.03.06.060 Section 060. Existing Dams And Reservoirs](https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_060.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_ID_IDAPA_37_03_06_025. Check the current official text before relying on it. Not legal advice.