A failing septic system can cause untreated sewage to come to the surface or leach into nearby water bodies and contaminate groundwater.

Source: https://www.postandcourier.com/greenville/business/less-septic-more-sewer-greenville-co-seeks-new-rules-to-manage-rural-growth/article_194c51cc-f105-11ed-97f3-934c5afcb7c9.html

A large majority of reported TBIs can be mild cases that could pose long-term health issues if left untreated.

Source: https://www.dvidshub.net/news/441118/brain-injury-awareness-month-highlighting-intrepid-spirit-concussion-recovery-clinic

“But as a result, they also allow untreated sewage into the surface waters.

Source: https://vtdigger.org/2023/01/25/covid-funds-buoy-wastewater-projects-statewide/

Children from low-income families are twice as likely to have untreated cavities as higher-income children, according to the Centers for Disease Control and Prevention.

Source: https://www.dailyherald.com/news/20230223/dupage-health-department-offers-free-dental-exams-for-kids-march-3

Continuing the drive against dumping of untreated waste in the sewer lines, the Ludhiana Municipal Corporation (MC) caught an electroplating unit – JK International- dumping acidic waste in MC sewer lines in the Focal Point area, Monday.

Source: https://indianexpress.com/article/cities/chandigarh/ludhiana-joint-team-mc-ppcb-electroplating-unit-dumping-acidic-waste-sewer-lines-snap-connection-8574268/

Defense attorney Ana Faoro urged Okrent to take into account Baker’s self-defense claim, youthfulness and untreated mental illness.

Source: https://www.heraldnet.com/news/everett-man-sentenced-for-murder-for-second-time-in-a-month/

Ectopic pregnancies are not viable and if left untreated can be life-threatening.

Source: https://krdo.com/news/2023/07/23/medical-professionals-describe-a-world-of-uncertainty-a-year-after-the-roe-v-wade-reversal/

Even minor infections can become serious if left untreated - for example a small skin infection can develop into cellulitis.

Source: https://www.dailyrecord.co.uk/lifestyle/bacterial-infection-red-flag-warning-30349937

Food, water and medical supplies were difficult to find amid the fighting, she said, but her brothers were able to gather rice and untreated water in the brief moments when the gunshots stopped.

Source: https://www.cbc.ca/news/canada/manitoba/sudanese-winnipegger-flees-violence-1.6827304?cmp=rss

For instance, studies show that there was a serious outbreak among Tea Party members that went untreated.

Source: https://www.opednews.com/articles/H-stupidis-Virus-Revisited-Boebert-Lauren_Donald-Trump_Florida-Gov-Ron-Desantis_Florida-Politics-230813-789.html

For those with untreated mental illness it is next to impossible.

Source: https://smdp.com/2023/11/10/housing-alone-wont-solve-homelessness-california-must-expand-its-mental-health-system/

Her family believes she died of sepsis from an untreated abdomen issue.

Source: https://www.dailymail.co.uk/news/article-11592433/Father-girl-died-Utah-boarding-school-suing-claims-facility-ignored-pain-weeks.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

He voted against an amendment to the Environment Act 2021 that would place a legal duty on water companies to demonstrate reductions in the discharge of untreated sewage, and to avoid using combined sewer overflows.

Source: https://www.bridportnews.co.uk/news/23443849.letter-surprised-mps-campaign-sewage-water-firms/?ref=rss

Homeless New Yorkers with chronic and untreated mental illness are involuntarily hospitalized.

Source: https://nypost.com/2023/03/05/democrats-nationwide-start-to-see-sense-on-homeless-rights/

If it is allowed to progress untreated, Witbane will eventually halt Magicka regeneration completely, which would put any Magicka-based build in a tough spot.

Source: https://gamerant.com/skyrim-disease-effects-prevention/

If it is left untreated, it can return later.

Source: https://krocnews.com/ixp/150/p/parasitic-illness-reported-minnesota-wisconsin-2023/

If left untreated, mold or mildew can cause health issues and further damage to your roof.

Source: https://www.chartattack.com/what-is-an-emergency-roof-repair-what-to-do-when-you-need-one/

If left untreated, these injuries can result in infections, amputation, permanent disability, or even death.

Source: https://www.ipsnews.net/2023/03/ethiopian-government-must-prioritize-access-quality-surgery-post-war-reconstruction/?utm_source=rss&utm_medium=rss&utm_campaign=ethiopian-government-must-prioritize-access-quality-surgery-post-war-reconstruction

If left untreated, the water can cause issues such as damp and mould which can impact your health as well as your house's value.

Source: https://www.manchestereveningnews.co.uk/news/money-saving/woman-driven-mad-winter-condensation-27943193

If the disease is left untreated death can occur in as little as a few hours.

Source: https://www.dailymail.co.uk/femail/real-life/article-11955123/Meningococcal-symptoms-babies-Baby-treated-meningococcal-red-rash-appeared-leg.html?ns_mchannel=rss&ns_campaign=1490&ito=1490