{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/violations/check?name=Knife%20River%20Corporation","name":"Knife River Corporation","_source":{"data_provider":"AI Analytics","brand_name":"MORVS","brand_url":"https://morvs.ai/","data_provider_url":"https://api.morvs.ai","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-10-05T04:32:32.196Z"},"summary":{"total_violations":2342,"significant_and_substantial":327,"proposed_penalty_usd":614548,"amount_paid_usd":511709},"top_violated_rules":[{"part_section":"56.14107(a)","n":292},{"part_section":"56.12004","n":205},{"part_section":"56.14100(b)","n":105},{"part_section":"56.12032","n":79},{"part_section":"56.14132(a)","n":74},{"part_section":"50.30(a)","n":72},{"part_section":"56.20003(a)","n":64},{"part_section":"56.11001","n":64},{"part_section":"56.14112(b)","n":54},{"part_section":"56.4201(a)(2)","n":52}],"recent_violations":[{"violation_no":"9891959","issue_date":"12/30/2024","mine_id":"3500521","controller_name":"Knife River Corporation","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.14100(b)","negligence":"LowNegligence","proposed_penalty":151,"canonical_url":"https://api.morvs.ai/mine-violation/9891959"},{"violation_no":"6466184","issue_date":"12/30/2009","mine_id":"4104693","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-South","sig_sub":"N","part_section":"41.12","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/6466184"},{"violation_no":"6466185","issue_date":"12/30/2009","mine_id":"4104693","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-South","sig_sub":"Y","part_section":"56.14101(a)(2)","negligence":"ModNegligence","proposed_penalty":1203,"canonical_url":"https://api.morvs.ai/mine-violation/6466185"},{"violation_no":"6389768","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6389768"},{"violation_no":"6389769","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.4101","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6389769"},{"violation_no":"6389770","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"Y","part_section":"56.11012","negligence":"ModNegligence","proposed_penalty":440,"canonical_url":"https://api.morvs.ai/mine-violation/6389770"},{"violation_no":"6389771","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.4101","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6389771"},{"violation_no":"6389772","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"Y","part_section":"56.9301","negligence":"ModNegligence","proposed_penalty":324,"canonical_url":"https://api.morvs.ai/mine-violation/6389772"},{"violation_no":"6389773","issue_date":"12/27/2006","mine_id":"3500426","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6389773"},{"violation_no":"8694071","issue_date":"12/23/2013","mine_id":"3503449","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.12028","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8694071"},{"violation_no":"8694072","issue_date":"12/23/2013","mine_id":"3503449","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.4201(a)(1)","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8694072"},{"violation_no":"6368296","issue_date":"12/22/2004","mine_id":"3503321","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.1000","negligence":"HighNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6368296"},{"violation_no":"6368297","issue_date":"12/22/2004","mine_id":"3503321","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.12034","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6368297"},{"violation_no":"6368298","issue_date":"12/22/2004","mine_id":"3503321","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6368298"},{"violation_no":"6368299","issue_date":"12/22/2004","mine_id":"3503321","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.12004","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/6368299"},{"violation_no":"9612583","issue_date":"12/21/2021","mine_id":"3503527","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.14207","negligence":"ModNegligence","proposed_penalty":133.2,"canonical_url":"https://api.morvs.ai/mine-violation/9612583"},{"violation_no":"9612584","issue_date":"12/21/2021","mine_id":"3503527","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"47.44(b)","negligence":"ModNegligence","proposed_penalty":133.2,"canonical_url":"https://api.morvs.ai/mine-violation/9612584"},{"violation_no":"8992852","issue_date":"12/21/2017","mine_id":"3503478","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.18002(b)","negligence":"ModNegligence","proposed_penalty":118,"canonical_url":"https://api.morvs.ai/mine-violation/8992852"},{"violation_no":"8877932","issue_date":"12/21/2016","mine_id":"3503478","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-Northwest","sig_sub":"N","part_section":"56.20003(a)","negligence":"ModNegligence","proposed_penalty":116,"canonical_url":"https://api.morvs.ai/mine-violation/8877932"},{"violation_no":"8591991","issue_date":"12/21/2011","mine_id":"3200776","controller_name":"MDU Resources Group Inc","violator_name":"Knife River Corporation-North Central","sig_sub":"Y","part_section":"56.20011","negligence":"ModNegligence","proposed_penalty":162,"canonical_url":"https://api.morvs.ai/mine-violation/8591991"}]}