50-State Oil Spill Response (OSRO) Laws

State-by-state Oil Pollution Act of 1990 (OPA 90) regulations, USCG-classified Oil Spill Removal Organizations (OSRO), state emergency spill notification deadlines (15 minutes to 2 hours), and marine terminal primary containment booming mandates.

State State Emergency Environmental Spill Response Agency Mandatory Emergency State Notification Window USCG / State OSRO Primary Containment Booming Mandate Statutory Responder Immunity Protection
AlabamaADEM Emergency Response / Alabama EMAImmediate (within 1 hour)Port of Mobile & Coastal Marine BoomingClean Water Act § 311(c) Qualified Immunity
AlaskaADEC Division of Spill Prevention & Response (SPAR)Immediate (within 15 minutes)Strict Prince William Sound & Cook Inlet OSROState Responder Immunity (AS 46.04.045)
ArizonaADEQ Emergency Response UnitImmediate (within 2 hours)Colorado River & waterway protection boomState Qualified Responder Protection
ArkansasArkansas DEQ Emergency Services BranchImmediate (within 1 hour)Arkansas River navigable channel boomingStatutory Good Samaritan / CWA Protection
CaliforniaCDFW Office of Spill Prevention & Response (OSPR)Immediate (within 30 minutes)Mandatory OSPR-Rated OSRO & Pre-Booming (Lempert-Keene Act)Strict State Responder Immunity (Gov Code § 8670)
ColoradoCDPHE Emergency Response ProgramImmediate (within 24 hours / 1 hr water)Platte & Arkansas river containment boomingColorado Revised Statutes § 29-22-102
ConnecticutCT DEEP Emergency Response & Spill PreventionImmediate (within 1 hour)Long Island Sound pre-booming on fuel transferCGS § 22a-452 Responder Liability Release
DelawareDNREC Emergency Response SectionImmediate (within 15 minutes)Delaware Bay & River Marine Terminal OSRO7 Del. C. § 6028 Emergency Immunity
FloridaFDEP Office of Emergency Response / FWCImmediate (State Watch Office < 1 hr)Deepwater Port & Intracoastal Waterway BoomingFlorida Statutes § 376.09 Responder Immunity
GeorgiaGeorgia EPD Emergency Operations CenterImmediate (within 1 hour)Port of Savannah & Brunswick Marine BoomingO.C.G.A. § 12-14-3 Statutory Immunity
HawaiiHawaii DOH Hazard Evaluation & Emergency Response (HEER)Immediate (within 1 hour)Honolulu Harbor & Pearl Harbor Marine OSROHRS § 128D Environmental Response Immunity
IdahoIdaho DEQ Emergency Response / IOEMImmediate (within 24 hours / 1 hr water)Snake & Columbia tributary river boomingIdaho Code § 39-7109 Emergency Immunity
IllinoisIllinois EPA Emergency Operations Unit / IEMAImmediate (within 1 hour)Lake Michigan & Mississippi River OSRO415 ILCS 5/45 Emergency Protection
IndianaIDEM Emergency Response SectionImmediate (within 2 hours)Lake Michigan & Ohio River navigable boomingIC § 13-25-2 Qualified Responder Immunity
IowaIowa DNR Emergency Response UnitImmediate (within 6 hours)Mississippi & Missouri river containmentIowa Code § 455B.392 Liability Limits
KansasKDHE Spill Response ProgramImmediate (within 2 hours)Kansas & Missouri river drainage containmentK.S.A. § 65-171d State Immunity
KentuckyKentucky DEP Environmental Emergency BranchImmediate (within 2 hours)Ohio River & inland waterway marine boomingKRS § 224.01-400 Statutory Immunity
LouisianaLDEQ Emergency Response / Louisiana State PoliceImmediate (within 1 hour)Mississippi River & Gulf Coast Marine OSROLa. R.S. § 30:2465 Responder Immunity
MaineMaine DEP Division of Response ServicesImmediate (within 2 hours)Portland Harbor & coastal marine terminal OSRO38 MRSA § 548 Responder Liability Protection
MarylandMDE Emergency Response DivisionImmediate (within 1 hour)Port of Baltimore & Chesapeake Bay Marine OSROEnvironment Article § 4-411 Immunity
MassachusettsMassDEP Emergency Response / MassDOTImmediate (within 2 hours / 21E Rule)Boston Harbor & Buzzards Bay Marine BoomingM.G.L. c. 21E § 4 Responder Protection
MichiganEGLE Pollution Emergency Alerting System (PEAS)Immediate (within 15 minutes)Great Lakes & Straits of Mackinac OSRONREPA Part 201 Responder Immunity
MinnesotaMPCA Emergency Response ProgramImmediate (within 2 hours)Port of Duluth-Superior & Mississippi BoomingMinn. Stat. § 115E.06 Responder Protection
MississippiMDEQ Emergency Response / MEMAImmediate (within 24 hours / 1 hr water)Gulf of Mexico & Mississippi River BoomingMiss. Code § 49-17-43 Immunity
MissouriMissouri DNR Environmental Emergency ResponseImmediate (within 2 hours)Mississippi & Missouri river commercial boomingRSMo § 260.510 Responder Protection
MontanaMontana DEQ Spill Management ProgramImmediate (within 24 hours / 1 hr water)Yellowstone & Missouri river containmentMCA § 75-10-711 Emergency Immunity
NebraskaNDEE Emergency Response ProgramImmediate (within 24 hours)Platte & Missouri river waterway boomingNeb. Rev. Stat. § 81-1506 Immunity
NevadaNDEP Spill Reporting HotlineImmediate (within 1 hour to water)Lake Tahoe & Colorado river containmentNRS § 459.750 Responder Immunity
New HampshireNHDES Emergency Response ProgramImmediate (within 1 hour)Portsmouth Harbor & coastal marine OSRORSA § 146-A:3-a Responder Immunity
New JerseyNJDEP Bureau of Emergency ResponseImmediate (within 15 minutes)Port of NY/NJ & Delaware River Marine OSRON.J.S.A. 58:10-23.11f1 Responder Immunity
New MexicoNMED Emergency Response TeamImmediate (within 24 hours / 1 hr water)Rio Grande & Pecos river containment boomingNMSA § 74-6-1 Emergency Protection
New YorkNYS DEC Spill Response ProgramImmediate (within 2 hours)Port of New York, Long Island Sound & Hudson OSRONavigation Law § 176 Responder Immunity
North CarolinaNC DEQ Division of Waste / NC Emergency ManagementImmediate (within 24 hours / 1 hr water)Port of Wilmington & Morehead City BoomingNCGS § 143-215.86 Responder Immunity
North DakotaND DEQ Division of Emergency ResponseImmediate (within 24 hours / 1 hr water)Bakken crude rail & Missouri river containmentNDCC § 23.1-08 Emergency Immunity
OhioOhio EPA Emergency Response SectionImmediate (within 30 minutes)Lake Erie & Ohio River navigable waterway OSROORC § 3750.10 Responder Protection
OklahomaODEQ Complaints & Local Services (Spill Hotline)Immediate (within 24 hours / 1 hr water)Arkansas & Red river basin containmentTitle 27A § 2-6-105 State Immunity
OregonOregon DEQ Emergency Response / OERSImmediate (within 1 hour)Columbia River & Pacific Coastal Marine OSROORS § 468B.385 Responder Immunity
PennsylvaniaPA DEP Emergency Response ProgramImmediate (within 1 hour)Delaware & Ohio/Monongahela river OSRO35 P.S. § 6020.702 Responder Protection
Rhode IslandRIDEM Office of Emergency ResponseImmediate (within 1 hour)Narragansett Bay & Providence River OSRORIGL § 46-12.5.1-4 Responder Immunity
South CarolinaSC DHEC Emergency Response DivisionImmediate (within 24 hours / 1 hr water)Port of Charleston & coastal marine OSROSC Code § 48-1-100 Responder Protection
South DakotaSD DANR Spill Response ProgramImmediate (within 24 hours / 1 hr water)Missouri river drainage containmentSDCL § 34A-12 Emergency Immunity
TennesseeTDEC Division of Emergency Response / TEMAImmediate (within 2 hours)Tennessee & Cumberland river marine boomingTCA § 68-212-107 State Immunity
TexasTexas GLO (Coastal) / TCEQ / Railroad CommissionImmediate (within 1 hour to GLO)Houston Ship Channel & Gulf Coast OSRO (OSPRA)Texas TNRC Chapter 40 Responder Immunity
UtahUtah DEQ Division of Environmental ResponseImmediate (within 24 hours / 1 hr water)Great Salt Lake & Colorado river containmentUtah Code § 19-6-310 Emergency Immunity
VermontVermont DEC Spill Response TeamImmediate (within 1 hour)Lake Champlain & Connecticut river booming10 V.S.A. § 6615 Responder Immunity
VirginiaVDEQ Pollution Response Program (PREP)Immediate (within 1 hour)Port of Virginia / Hampton Roads Marine OSROVa. Code § 62.1-44.34:18 Responder Immunity
WashingtonWashington State Ecology Spill Prevention (SPILLS)Immediate (within 1 hour)Strict Puget Sound & Columbia River OSRO (WAC 173-182)RCW § 90.56.390 Responder Immunity
West VirginiaWV DEP Homeland Security & Emergency ResponseImmediate (within 15 minutes)Kanawha & Ohio river commercial boomingWV Code § 22-19-4 Emergency Immunity
WisconsinWisconsin DNR Spill Response ProgramImmediate (within 1 hour)Lake Michigan, Lake Superior & Mississippi OSROWis. Stat. § 292.11 Responder Protection
WyomingWyoming DEQ Spill Response ProgramImmediate (within 24 hours / 1 hr water)North Platte & Green river containmentW.S. § 35-11-301 Emergency Immunity