Patricia Wentworth 
The Watersplash [EPUB ebook] 

To the innocent visitor the picturesque village of Greenings would appear to be a haven of tranquility. But every place has its secrets and beneath the calm surface lurk hidden resentments and dangerous passions. When someone is found lying in a nearby watersplash, the verdict is death by misadventure. But Miss Silver happens to be in the neighbourhood and she suspects foul play…