from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
alterationof the hydrologic characteristicsof bodiesof water.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Tool to size flow control facilities to meet hydromodification requirements 2.
"non-point source pollution sources" refers to water pollution generated by rainfall, usually influenced by nearby pollution such as "agriculture, forestry, urban runoff, home sewage systems, sand and gravel mining, construction and hydromodification."