waterQualityImprovedAfter
P25366
predicate
Indicates that the quality of water in a given context has become better following a specified event, time, or intervention.
Observed surface forms (1)
- hasImprovedWaterQuality ×1
Sample triples (2)
| Subject | Object |
|---|---|
| Cuyahoga River | yes via predicate surface "hasImprovedWaterQuality" ⓘ |
| Lake Washington | sewage diversion projects in the 1960s ⓘ |