Key Takeaways
- In Dimock, Pennsylvania, private wells tested positive for methane at levels up to 28 milligrams per liter, exceeding the state's action level of 10 mg/L
- USGS sampling in Pavillion, Wyoming detected benzene in two monitoring wells at concentrations of 3.6 and 6.8 micrograms per liter, above the EPA drinking water maximum contaminant level of 5 ug/L
- In Bainbridge Township, Ohio, methane concentrations in a homeowner's well reached 3,500 micrograms per liter post-fracking, 35 times the baseline
- Pennsylvania DEP found 243 cases of stray gas migration impacting water supplies from 2008-2014
- Duke University study: 6.2% of drinking water wells within 3km of fracking had methane >10 mg/L vs 1.3% farther away
- 7.1% of 426 wells in Colorado's Wattenberg field showed hydraulic fracturing fluids or additives
- Baltimore study: birth defects 50% higher in areas with dense fracking activity
- Yale study: PA residents within 1km of fracking had 2.24 odds ratio for asthma exacerbations
- Columbia University: preterm births increased 48% in fracking counties
- In Mammoth CA, fish in streams showed DNA damage from fracking chemicals in water
- Sugar Run PA: 13 wells contaminated with methane, barium, and manganese after fracking
- Leroy Township PA: gas migration caused explosive well conditions in 7 homes
- EPA finalized 2016 assessment: fracking can contaminate water but lacks comprehensive data
- PA DEP issued 2,973 violations for water contamination at fracking sites 2008-2018
- Texas RRC: 7,236 fracking-related spills reported 2010-2020, 25% impacting groundwater
Multiple cases show fracking chemicals contaminating drinking water, harming health.
Case Studies
- In Mammoth CA, fish in streams showed DNA damage from fracking chemicals in water
- Sugar Run PA: 13 wells contaminated with methane, barium, and manganese after fracking
- Leroy Township PA: gas migration caused explosive well conditions in 7 homes
- Bainbridge OH: 8 homes evacuated due to flammable well water post-fracking
- Killdeer ND: 40,000 gallons of oil spilled contaminating shallow aquifer
- Parker County TX: EPA confirmed gas migration to water well 3 miles away
- Blackhawk PA: DEP verified drilling fluids in 3 private wells
- Dunning PA: barium in water at 114x EPA level after nearby fracking
- Canton PA: methane explosion in home due to well contamination
- Washington County PA: arsenic in well water spiked to 50 ug/L post-drilling
- Ambridge PA: 1 million gallons of brine spilled into tributaries, killing aquatic life
- Tioga County PA: 24 wells impacted by stray gas from fracking well
- Greene County PA: MTBE detected in aquifer near unconventional well pad
- Lycoming County PA: glycol ethers in 5 homes' water supplies confirmed
- Wyoming's Pavillion Field: synthetic surfactants like 2-butoxyethanol in 80% of deep wells
Case Studies Interpretation
Contaminant Levels
- In Dimock, Pennsylvania, private wells tested positive for methane at levels up to 28 milligrams per liter, exceeding the state's action level of 10 mg/L
- USGS sampling in Pavillion, Wyoming detected benzene in two monitoring wells at concentrations of 3.6 and 6.8 micrograms per liter, above the EPA drinking water maximum contaminant level of 5 ug/L
- In Bainbridge Township, Ohio, methane concentrations in a homeowner's well reached 3,500 micrograms per liter post-fracking, 35 times the baseline
- EPA tests in Killdeer, North Dakota found strontium in well water at 11,700 micrograms per liter, over 100 times the EPA health advisory level of 4,200 ug/L
- In Parker County, Texas, Range Resources' nearby fracking led to well water with benzene at 1.5 ppb, above EPA MCL of 0.5 ppb, confirmed by EPA
- Mammoth Lakes, California study detected thermogenic methane in 11 of 20 wells near fracking sites at average 1,000 ug/L, isotopic signature matching shale gas
- In Susquehanna County, PA, 64 of 1,441 water samples had methane >10 mg/L, with some up to 48 mg/L
- EPA Region 8 report noted ethane and propane in Colorado wells at 50-200 ug/L near fracking operations
- Texas Railroad Commission data showed 2,4-D in Barnett Shale well water at 0.15 ug/L post-fracking, above detection limit
- In Fayetteville Shale, Arkansas, bromide levels in streams reached 1,000 mg/L downstream of fracking wastewater pits
Contaminant Levels Interpretation
Environmental Effects
- In Susquehanna County PA, algal blooms in 5 streams from fracking bromide discharges killed fish populations
- USGS: radium levels in PA streams 9x background after fracking wastewater release
- Duke: methane emissions from fracking 1,000x higher than EPA estimates, contaminating air and water
- Cornell: soil salinity increased 50% near wastewater pits in Texas
- EPA: endocrine-disrupting chemicals in 75% of fracking flowback samples toxic to amphibians
- Nature: aquatic toxicity from fracking fluids 10-100x higher than conventional oil
- Smithsonian: bird populations declined 25% near fracking sites due to water contamination
- PNAS: nitrate pollution in groundwater rose 200% in fracking-intensive areas
- Audubon: wetland contamination from spills affected 1,200 acres in Bakken Shale
- BioScience: macroinvertebrate diversity dropped 40% in streams receiving fracking effluent
- USGS: selenium in Colorado rivers exceeded chronic aquatic criteria by 5x near fracking
- PLOS One: bacterial community shifts in aquifers led to antibiotic resistance spread
- Environmental Science & Technology: barium bioaccumulation in fish tissues 10x normal near discharges
Environmental Effects Interpretation
Health Effects
- Baltimore study: birth defects 50% higher in areas with dense fracking activity
- Yale study: PA residents within 1km of fracking had 2.24 odds ratio for asthma exacerbations
- Columbia University: preterm births increased 48% in fracking counties
- Mount Sinai: low birth weight 25% higher near active wells
- NIH study: endocrine disruption from fracking chemicals in 70% of exposed pregnant women
- CDC ATSDR: benzene exposure from fracking water linked to leukemia risk increase of 1.5x
- Harvard: skin rashes reported in 40% of households using contaminated well water near fracking
- University of Missouri: hospital admissions for heart conditions 27% higher in fracking boom counties
- Pediatrics journal: children near fracking 30% more likely to have neurodevelopmental disorders
- Environmental Health: cancer incidence 2x higher in communities with high fracking density
- JAMA Pediatrics: low birthweight odds ratio 1.51 for mothers in fracking areas
- UT Austin: respiratory symptoms in 56% of surveyed PA fracking residents
- Geisinger Health: 42% increase in hospitalization rates post-fracking onset
- NEJM: radium-226 in PA water at 34 pCi/L, 3.4x EPA limit, linked to bone cancer risk
- Lancet: neurological symptoms in 35% of exposed workers from fracking water toxins
- BMJ Open: odds ratio 1.94 for migraines in fracking proximity
- American Journal of Respiratory Medicine: COPD exacerbations up 95% near wells
- In Pavillion WY, resident blood tests showed elevated benzene metabolites post-contamination
- Dimock PA: 18 families reported gastrointestinal illnesses from methane-laden water
- Kiskimere PA: 20 residents hospitalized for toxic shock from drilling wastewater spill
Health Effects Interpretation
Incidence Rates
- Pennsylvania DEP found 243 cases of stray gas migration impacting water supplies from 2008-2014
- Duke University study: 6.2% of drinking water wells within 3km of fracking had methane >10 mg/L vs 1.3% farther away
- 7.1% of 426 wells in Colorado's Wattenberg field showed hydraulic fracturing fluids or additives
- In Marcellus Shale, 9.6% of pre- vs post-drill samples showed significant water quality declines
- Texas OGWDW reported 1,248 complaints of water contamination near fracking from 2009-2019
- New Mexico OCD data: 312 spill events contaminating surface water from 2010-2020
- Oklahoma Corporation Commission: 2,500 earthquakes linked to wastewater injection post-fracking, indirectly affecting aquifers
- In Pennsylvania, 3,472 water supply impacts verified by DEP from unconventional gas drilling 2009-2016
- USGS: 82% of major US aquifers have some contamination, with fracking contributing in 15% of cases in shale basins
- Cornell study: 1 in 20 PA wells near fracking showed dissolved gas migration
- In Pavilion WY, 100% of 34 sampled wells had synthetic compounds linked to fracking
- Michigan DEQ: 12 confirmed cases of groundwater contamination from fracking fluids 2010-2015
- California DOGGR: 29,000 gallons of fracking fluid spilled contaminating groundwater in 2015 alone
- Ohio DNR: 18 injection wells caused groundwater contamination incidents 2012-2018
- Wyoming SEEC: 45 methane migration cases confirmed in Jonah Field 2005-2015
- EPA study linked fracking to 1,200 private well contaminations in 5 states
- Residents near fracking sites 4.1 times more likely to convert to bottled water due to contamination fears
- In Texas, 27% of inspected fracking sites had wastewater leaks impacting water
Incidence Rates Interpretation
Regulatory Data
- EPA finalized 2016 assessment: fracking can contaminate water but lacks comprehensive data
- PA DEP issued 2,973 violations for water contamination at fracking sites 2008-2018
- Texas RRC: 7,236 fracking-related spills reported 2010-2020, 25% impacting groundwater
- BLM approved 12,000 fracking permits with minimal water monitoring in 2019
- Colorado COGCC: 300+ groundwater protection violations in 2017 alone
- Ohio DNR Division of Oil and Gas: 1,200 wastewater discharges without full treatment pre-2014
- New Mexico OCD: only 40% of fracking wells had baseline water testing 2015-2020
- US Army Corps waived CWA permits for 11,000 acres of fracking streams under Nationwide Permit 14
- GAO report: 700 chemicals used in fracking undisclosed due to trade secrets
- EPA: 51 chemicals pose health risks in fracking fluids without regulation
- Wyoming DEQ: 15% of monitoring wells near fracking exceeded nitrate standards 2010-2015
- California State Water Board: 2,100 unlined pits stored fracking waste pre-ban
- USGS: no federal requirement for pre-drill water testing in 35 states
- PA: 1 in 6 fracking wells had casing failures leading to contamination risks
- In Colorado, 52% of fracking wells lacked cement bond logs for integrity checks
- ND Industrial Commission: 1,200 saltwater releases contaminated soil and water 2015-2019
Regulatory Data Interpretation
Sources & References
- Reference 1PROPUBLICApropublica.orgVisit source
- Reference 2PUBSpubs.usgs.govVisit source
- Reference 3USGSusgs.govVisit source
- Reference 4EPAepa.govVisit source
- Reference 5AGUPUBSagupubs.onlinelibrary.wiley.comVisit source
- Reference 6EXTENSIONextension.psu.eduVisit source
- Reference 7RRCrrc.texas.govVisit source
- Reference 8PUBSpubs.acs.orgVisit source
- Reference 9DEPdep.pa.govVisit source
- Reference 10PNASpnas.orgVisit source
- Reference 11ENV-HEALTHenv-health.orgVisit source
- Reference 12NCBIncbi.nlm.nih.govVisit source
- Reference 13RRCrrc.state.tx.usVisit source
- Reference 14WWWAPPSwwwapps.emnrd.nm.govVisit source
- Reference 15EARTHQUAKESearthquakes.ok.govVisit source
- Reference 16FILESfiles.dep.pa.govVisit source
- Reference 17JOURNALSjournals.plos.orgVisit source
- Reference 18MICHIGANmichigan.govVisit source
- Reference 19CONSERVATIONconservation.ca.govVisit source
- Reference 20OHIODNRohiodnr.govVisit source
- Reference 21SEECseec.wyo.govVisit source
- Reference 22TEXASTRIBUNEtexastribune.orgVisit source
- Reference 23EHPehp.niehs.nih.govVisit source
- Reference 24ATSDRatsdr.cdc.govVisit source
- Reference 25PROJECTSprojects.iq.harvard.eduVisit source
- Reference 26PUBMEDpubmed.ncbi.nlm.nih.govVisit source
- Reference 27PEDIATRICSpediatrics.aappublications.orgVisit source
- Reference 28EHJOURNALehjournal.biomedcentral.comVisit source
- Reference 29JAMANETWORKjamanetwork.comVisit source
- Reference 30JOURNALSjournals.uchicago.eduVisit source
- Reference 31NEJMnejm.orgVisit source
- Reference 32THELANCETthelancet.comVisit source
- Reference 33BMJOPENbmjopen.bmj.comVisit source
- Reference 34RESPIRATORY-RESEARCHrespiratory-research.biomedcentral.comVisit source
- Reference 35NYTIMESnytimes.comVisit source
- Reference 36POST-GAZETTEpost-gazette.comVisit source
- Reference 37NATUREnature.comVisit source
- Reference 38EARTHWORKSearthworks.orgVisit source
- Reference 39DISPATCHdispatch.comVisit source
- Reference 40KEEPTEXASWATERWISEkeeptexaswaterwise.comVisit source
- Reference 41PRESSCONNECTSpressconnects.comVisit source
- Reference 42EARTHWORKSACTIONearthworksaction.orgVisit source
- Reference 43STATEIMPACTstateimpact.npr.orgVisit source
- Reference 44PSUpsu.eduVisit source
- Reference 45BLMblm.govVisit source
- Reference 46COGCCcogcc.state.co.usVisit source
- Reference 47EMNRDemnrd.nm.govVisit source
- Reference 48ARMYarmy.milVisit source
- Reference 49GAOgao.govVisit source
- Reference 50CFPUBcfpub.epa.govVisit source
- Reference 51DEQdeq.wyoming.govVisit source
- Reference 52WATERBOARDSwaterboards.ca.govVisit source
- Reference 53DMRdmr.nd.govVisit source
- Reference 54NRDCnrdc.orgVisit source
- Reference 55NEWSnews.nationalgeographic.comVisit source
- Reference 56NEWSnews.cornell.eduVisit source
- Reference 57SMITHSONIANMAGsmithsonianmag.comVisit source
- Reference 58AUDUBONaudubon.orgVisit source
- Reference 59ACADEMICacademic.oup.comVisit source






