1.0Ingeniería Bollighttps://bollig-engineering.com/esbollighttps://bollig-engineering.com/es/author/bollig/rich600338<blockquote class="wp-embedded-content" data-secret="YYMx5wNFUu"><a href="https://bollig-engineering.com/es/featured-projects/city-of-degraff/">Ciudad de DeGraff</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://bollig-engineering.com/es/featured-projects/city-of-degraff/embed/#?secret=YYMx5wNFUu" width="600" height="338" title="“Ciudad de DeGraff” — Bollig Engineering" data-secret="YYMx5wNFUu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://bollig-engineering.com/wp-includes/js/wp-embed.min.js </script>https://bollig-engineering.com/wp-content/uploads/2024/01/70539232_779616929122846_3614852262536413184_n.jpg10941478Sewer System Construction The City of DeGraff lacked sanitary sewer infrastructure and instead had a network of privately owned and mostly noncompliant individual sewage treatment systems (ISTS). This precarious situation caused illegal discharge of untreated and inadequately treated sewage, and the Minnesota Pollution Control Agency (MPCA) issued a violation requiring the City to take action […]