1.0WAMUhttps://wamu.orgWAMUhttps://wamu.orgrich600338<blockquote class="wp-embedded-content" data-secret="StTy361CNY"><a href="https://wamu.org/story/17/08/23/pollution-buildup-at-conowingo-dam-may-harm-chesapeake-bay-cleanup/">Pollution Buildup At Conowingo Dam May Harm Chesapeake Bay Cleanup</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://wamu.org/story/17/08/23/pollution-buildup-at-conowingo-dam-may-harm-chesapeake-bay-cleanup/embed/#?secret=StTy361CNY" width="600" height="338" title="“Pollution Buildup At Conowingo Dam May Harm Chesapeake Bay Cleanup” — WAMU" data-secret="StTy361CNY" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> A Maryland dam has been helping to clean up the Chesapeake Bay by holding back sediment that can harm aquatic life. But now the dam's sediment pools have filled up earlier than projected.https://www.google-analytics.com/__utm.gif?utmac=UA-5828686-4&utmdt=Pollution+Buildup+At+Conowingo+Dam+May+Harm+Chesapeake+Bay+Cleanup&utme=8(APIKey)9(MDAxNzk1MDc4MDEyMTU0NTY4ODBlNmE3Yw001)