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Water rates in Diamond Bar, CA
2 utilities serving Diamond Bar. Average monthly bill at 6,000 gallons: $76.37. That's 46% above the national average of $52.31.
| Utility | Population | Monthly Bill |
|---|---|---|
| WALNUT VALLEY WATER DISTRICT | 100,941 | $76.37 |
| THREE VALLEYS MWD | — | no data yet |
Monthly bill at 6,000 gallons for a residential customer. Smallest available meter, in-district rates.