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Water rates in Black Diamond, WA
3 utilities serving Black Diamond. Average monthly bill at 6,000 gallons: $53.14. That's 2% above the national average of $52.31.
| Utility | Population | Monthly Bill |
|---|---|---|
| SAWYERWOOD ESTATES WATER SYSTEM | 46 | no data yet |
| BLACK DIAMOND WATER DEPT | 6,407 | no data yet |
| COVINGTON WATER DISTRICT | 56,172 | $53.14 |
Monthly bill at 6,000 gallons for a residential customer. Smallest available meter, in-district rates.