Rocklin water and sewer rates

At typical use (9 units, about 6,700 gallons a month), a Rocklin house pays about $74 a month for water and about $43 for sewer: about $1,400 a year. Estimated from public rates, not anyone's actual bill.

Who supplies water to Rocklin houses, what it costs, and how the sewer charge works.

Pay or manage it

Placer County Water Agency (treated water)

PCWA treated residential water, 2026, 5/8-inch meter: monthly charges of $28.29 and $25.26. Commodity charge: First 900 CF $2.26, Next 1,900 CF $2.72, Next 2,800 CF $2.97 (per 100 CF, as the page lists them).

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$53.55 a month
0 to 9 units$2.26
9 to 28 units$2.72
28 to more$2.97
Source
Surface water from the Yuba and Bear River watersheds and Lake Spaulding flows into the PG&E and PCWA delivery systems, supplemented with American River water.
Hardness
Hardness ranged 18.6-24.9 mg/L, average 21.75.
Lead
42 samples were collected for lead; no detections.
Violations
The report lists 0 violations of surface water treatment requirements.

Sewer

South Placer Municipal Utility District monthly service charge of $42.53 per equivalent dwelling unit, billed quarterly.

How Rocklin compares with nearby cities

Water, a month

  1. Folsom · 11 mi$34
  2. Citrus Heights · 8 mi$52
  3. Rancho Cordova · 16 mi$53
  4. Roseville · 5 mi$58
  5. Rocklin$74
  6. Lincoln · 5 mi$88

Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.

Sources

  1. PCWA water rates
  2. PCWA water quality

Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.

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