This pack backports biome tints to water on 1.7.10, it requires MCPatcher or Optifine.

Load this pack above Modern Texture Backport.

It has three versions:

1. Java | Uses Java Edition biome water colors
2. Bedrock | Uses Bedrock Edtion biome water colors
3. Hybrid | Mainly uses Java Edition biome water colors, but uses Bedrock Edition water colors in some biomes that Java Edition doesn't color differently.