The presence of estrogen and estrogen related compounds in your drinking water is more than likely, especially if you prefer to have yours bottled:
http://virilityprotocol.com/men-watch-estrogen-drinking-water/
Give yourself an oestrogen detox: Water bottles. Scented candles. Even till receipts. Countless everyday items contain chemicals that mimic female hormones and they could ruin your health:
http://www.dailymail.co.uk/femail/article-4828370/Give-oestrogen-detox.html