Water: Economics

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# Policy & Guidance: Worksheet Q: Option A

## Interim Economic Guidance for Water Quality Standards

### Calculation of Total Annual Pollution Control Costs Per Household

### Based on Flow

**A. Calculating Project Costs Incurred By Households Based on Flow**

Expected Total Usage of Project (eg. MGD for Wastewater Treatment) | ________(1) |

Usage due to Household Use (MGD of Household Wastewater) | ________(2) |

Percent of Usage due to Household Use [Calculate: (2)/(1) ] | ________%(3) |

Total Annual Cost of Pollution Control Project | $________ (4) |

Industrial Surcharges, if any | $________ (5) |

Costs to be Allocated [Calculate: (4) - (5) ] | $________ (6) |

Amount to Be Paid By Households [Calculate: (3) x (6) ] | $________ (7) |

Annual Project Cost per Household [Calculate: (7)/Worksheet Q, (4) ] | $________ (8) |

**C. Total Annual Pollution Control Cost Per Household**

Annual Existing Costs Per Household [Worksheet Q, (5) ] | $________ (9) |

Total Annual Cost of Pollution Control Per Household [ (8) + (9) ] | $________ (10) |