Government hydrologists measured 80 pesticides at 81 river sites for 10 years and found two thirds of them above the limit meant to keep mayfly larvae and other stream insects alive

1.0The Pulsehttps://www.ecoportal.net/enHugo Rojashttps://www.ecoportal.net/en/author/hugo/Government hydrologists measured 80 pesticides at 81 river sites for 10 years and found two thirds of them above the limit meant to keep mayfly larvae and other stream insects aliverich600338<blockquote class="wp-embedded-content" data-secret="ngaJK1OUHd"><a href="https://www.ecoportal.net/en/scientists-tracked-80-weed-killer-promised/30788/">Government hydrologists measured 80 pesticides at 81 river sites for 10 years and found two thirds of them above the limit meant to keep mayfly larvae and other stream insects alive</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.ecoportal.net/en/scientists-tracked-80-weed-killer-promised/30788/embed/#?secret=ngaJK1OUHd" width="600" height="338" title="“Government hydrologists measured 80 pesticides at 81 river sites for 10 years and found two thirds of them above the limit meant to keep mayfly larvae and other stream insects alive” — The Pulse" data-secret="ngaJK1OUHd" 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://www.ecoportal.net/en/wp-includes/js/wp-embed.min.js </script> https://www.ecoportal.net/en/wp-content/uploads/2026/08/A-hydrologist-sampling-a-creek-beside-stones-holding-mayfly-larvae-768x432.jpg600338