Well, yesterday was a good test of my water preps. The water coming out of my cold tap looked like someone had peed in the glass! Reported it to wessex water, and got my stored water out and managed to carry on. Just as well I had water stored as the co op was down to one bottle when I went in late pm.
Did a 30 min flush of the system, seems OK now, but still using my stored water untill I know what it was.
Have asked for my tap water to be tested before I resume drinking it.
Ours still goes whisky coloured on occasion. It's very rare now, but it does happen when the upland reservoir (way up on the Lanarkshire moors) gets flooded with peat runoff.
Supposedly they add alum to flocculate the peat particles before they hit the screens, but sometimes....
it's harmless, just washing needs redone and there can be tide lines around sinks, toilets, etc., Bleach scrubs it off just fine