FY 2018 Water and Sewer Rates

The FY18 rates represent no increase in water volumetric charges, a 5% increase in sewer volumetric charges, and no change to existing water and sewer base charges. This adjustment is consistent with the rate study completed during FY2016.

  • Residential

  • Commercial

FY18 Residential Volumetric Charges ($/100 cu. ft.)

100 cu. ft. = 748 gallons

Tier Usage in Units of 100 cu. ft. Water Sewer Combined
1 0-13 $4.14 $7.81 $11.95
2 14-67 $5.97 $9.97 $15.94
3 68-133 $6.26 $10.45 $16.71
4 134+ $6.50 $10.82 $17.32


On July 1, 2016 the City of Somerville Water & Sewer Department instituted a base monthly water connection charge. This amount is factored based upon meter size as shown in the following table. For example, an account with a 5/8” meter will be billed $5.00 per month or $20.00 per bill based on a four month, tri-annual billing cycle. Commercial accounts will continue to bill bi-monthly, thus the appropriate base charge will be applied twice a billing cycle.

Tri-Annual Residential Base Water Charge

5/8" $5 $20
3/4" $5 $20
1" $5 $20
1-1/12" $10 $40
2" $16 $64
3" $30 $120
4" $50 $200
6"+ $100 $400


The City has also instituted a base monthly sewer charge of $10 per month, adjusted to reflect the same meter equivalent adjustments.

Tri-Annual Residential Base Sewer Charge

5/8" $5 $40
3/4" $5 $40
1" $5 $40
1-1/12" $10 $80
2" $16 $128
3" $30 $240
4" $50 $400
6"+ $100 $800

 

It should be noted that the majority of residential accounts have either 5/8”, 3/4” or 1” meters and thus will fall into the lowest base charge meter factor. This charge will remain level over five years. Additionally, they incorporate the American Water Works Association Standard factors to better align City practices with industry guidelines.

FY18 Commercial Volumetric Charges ($/100 cu. ft.)

100 cu. ft. = 748 gallons

Tier Usage in Units of 100 cu. ft. Water Sewer Combined
1 0-10 $4.14 $7.81 $11.95
2 11-100 $5.97 $9.97 $15.94
3 101-200 $6.26 $10.45 $16.71
4 201+ $6.50 $10.82 $17.32


On July 1, 2016 the City of Somerville Water & Sewer Department instituted a base monthly water connection charge. This amount is factored based upon meter size as shown in the following table. For example, an account with a 5/8” meter will be billed $5.00 per month or $20.00 per bill based on a four month, tri-annual billing cycle. Commercial accounts will continue to bill bi-monthly, thus the appropriate base charge will be applied twice a billing cycle.

Tri-Annual Commercial Base Water Charge

5/8" $5 $10
3/4" $5 $10
1" $5 $10
1-1/12" $10 $20
2" $16 $32
3" $30 $60
4" $50 $100
6"+ $100 $200


The City has also instituted a base monthly sewer charge of $10 per month, adjusted to reflect the same meter equivalent adjustments.

Tri-Annual Commercial Base Sewer Charge

5/8" $5 $20
3/4" $5 $20
1" $5 $20
1-1/12" $10 $40
2" $16 $64
3" $30 $120
4" $50 $200
6"+ $100 $400

 

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