{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/violations/check?name=W.B.%20Koester%20Construction%2C%20LLC","name":"W.B. Koester Construction, LLC","_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":"2026-10-05T22:42:53.554Z"},"summary":{"total_violations":20,"significant_and_substantial":6,"proposed_penalty_usd":2005,"amount_paid_usd":2005},"top_violated_rules":[{"part_section":"77.404(a)","n":5},{"part_section":"77.1104","n":5},{"part_section":"77.1605(k)","n":3},{"part_section":"77.502","n":1},{"part_section":"77.410(c)","n":1},{"part_section":"77.400(a)","n":1},{"part_section":"77.1606(c)","n":1},{"part_section":"77.1605(d)","n":1},{"part_section":"77.1605(b)","n":1},{"part_section":"77.1109(e)(1)","n":1}],"recent_violations":[{"violation_no":"7580057","issue_date":"11/14/2005","mine_id":"1102546","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1109(e)(1)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/7580057"},{"violation_no":"7580058","issue_date":"11/14/2005","mine_id":"1102546","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.410(c)","negligence":"ModNegligence","proposed_penalty":99,"canonical_url":"https://api.morvs.ai/mine-violation/7580058"},{"violation_no":"7580060","issue_date":"11/14/2005","mine_id":"1102546","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.1605(k)","negligence":"ModNegligence","proposed_penalty":99,"canonical_url":"https://api.morvs.ai/mine-violation/7580060"},{"violation_no":"8448141","issue_date":"09/18/2012","mine_id":"1202349","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1104","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8448141"},{"violation_no":"8448142","issue_date":"09/18/2012","mine_id":"1202349","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1104","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8448142"},{"violation_no":"8448143","issue_date":"09/18/2012","mine_id":"1202349","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.404(a)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8448143"},{"violation_no":"8448144","issue_date":"09/18/2012","mine_id":"1202349","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1104","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8448144"},{"violation_no":"8448145","issue_date":"09/18/2012","mine_id":"1202349","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1104","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8448145"},{"violation_no":"7488939","issue_date":"08/16/2006","mine_id":"1202215","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.502","negligence":"ModNegligence","proposed_penalty":124,"canonical_url":"https://api.morvs.ai/mine-violation/7488939"},{"violation_no":"8442728","issue_date":"08/02/2012","mine_id":"1202388","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1104","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8442728"},{"violation_no":"8442727","issue_date":"08/01/2012","mine_id":"1202388","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.1605(k)","negligence":"ModNegligence","proposed_penalty":243,"canonical_url":"https://api.morvs.ai/mine-violation/8442727"},{"violation_no":"8442724","issue_date":"07/30/2012","mine_id":"1202388","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1606(c)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8442724"},{"violation_no":"8442725","issue_date":"07/30/2012","mine_id":"1202388","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.404(a)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8442725"},{"violation_no":"8517362","issue_date":"06/26/2014","mine_id":"1511012","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1605(b)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8517362"},{"violation_no":"8517363","issue_date":"06/26/2014","mine_id":"1511012","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"Y","part_section":"77.404(a)","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8517363"},{"violation_no":"8517364","issue_date":"06/26/2014","mine_id":"1511012","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1605(d)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8517364"},{"violation_no":"8442534","issue_date":"05/31/2012","mine_id":"1202388","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.1605(k)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.morvs.ai/mine-violation/8442534"},{"violation_no":"7597099","issue_date":"02/17/2005","mine_id":"1202215","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.400(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/7597099"},{"violation_no":"7486974","issue_date":"02/13/2006","mine_id":"1103064","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.404(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/7486974"},{"violation_no":"7486975","issue_date":"02/13/2006","mine_id":"1103064","controller_name":null,"violator_name":"W.B. Koester Construction, LLC","sig_sub":"N","part_section":"77.404(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.morvs.ai/mine-violation/7486975"}]}