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Manager guide

Reading your utility's money

Read the balance sheet, income statement, and cash-flow statement the way you already read a pump curve, plus the four ratios that flag trouble early.

July 2026
Business & Governance
All
6
The short answer

Three statements tell you if the utility is sound. The balance sheet shows what you own and owe right now. The income statement shows whether revenue covered cost over the year. The cash-flow statement shows whether cash actually moved, the one that sinks systems fastest. Four ratios screen the numbers fast: current ratio, operating ratio, equity ratio, and debt-service coverage. Read them together: a healthy current ratio can sit next to a weak equity ratio in the same books, and both are true at once.

What you will be able to do

Someone hands you a balance sheet and an income statement and asks if the utility is healthy. You could read a pump curve cold at two in the morning and never blink. Nobody built you a training course for this half of the job.

Rung 4 of the manager track.

The good news: the money has gauges too. Three statements, each answering a different plain question. Four ratios on top of those flag trouble before it shows up as a missed payroll or a main you cannot afford to fix.

Three statements, three questions

A balance sheet is a photograph of the utility, not a video. Pick any date and it tells you what the system holds and what it still has to pay off as of that day.

An income statement answers a different question: did we earn enough over this stretch. It covers a period, usually a year, and it is where you check whether rates covered the real cost of running the system.

A cash-flow statement answers a third question: did the cash actually move the way the other two statements say it did. This is the gauge people skip, and it is the one that kills systems fastest.

Read all three before you answer anyone asking if the utility is healthy. One statement alone tells a partial story.

Reading the balance sheet

The balance sheet runs on one rule: assets equal liabilities plus equity. List everything the system holds on one line and everything it owes on another. The space left over is equity, the system's real net worth.

Assets list in the order they turn into cash. Current assets convert within a year. Cash and anything maturing in under ninety days comes first, then money customers owe you, then investments maturing in ninety days to a year, then inventory and prepaid expenses.

Fixed assets come next: land, buildings, and equipment, shown at cost minus what has depreciated off them. Land is the one asset that never depreciates. Long-term assets, the ones that will not turn into cash inside a year, close out the list.

Equity is what would be left over if the utility closed today, sold everything at the recorded price, and paid every bill. When liabilities outweigh assets, the books show a deficit, usually printed in parentheses. That is not a rounding issue. It means the system has lost money long enough that the losses ate into the equity, and it needs a recovery plan, not a shrug.

Reading the income statement

The income statement is simpler: revenue minus expense equals net income, and it covers a period rather than a single date.

Most utilities book revenue and expense on the accrual basis. That means the moment you earn the money or owe the bill, not the moment cash changes hands. Mail May's water bills on May 31 and you record that revenue in May, even though the checks do not arrive until June. A bill you receive at month end gets recorded then too, whether or not you have paid it yet.

One line matters most: net operating income. It is revenue minus operating expense, and it tells you in plain terms whether what you charge actually pays for everything it takes to deliver the water, including the costs that are easy to overlook.

Reading the cash-flow statement

The cash-flow statement is the one nobody wants to read and the one that matters most. It splits every transaction into three buckets: operating, investing, and financing. Operating is the day-to-day cash of running the system. Investing is equipment and property.

Financing is loans and similar. Here is why the statement earns the attention: a utility can show a profit on the income statement and still run short of money. Plenty of failed organizations had assets bigger than their debts and a net income on the books.

The cash still ran out. The income statement can look fine by omission. The cash-flow statement cannot.

Watch three lines closer than the rest. Money customers owe you that keeps climbing means you are selling water without collecting for it. Money you owe vendors that keeps climbing can mean routine growth, or it can mean you are quietly stalling payments.

Long-term debt that rises without an obvious reason usually means the system cannot keep pace with its own cash needs. A new loan tied to a real project is the one exception.

Miss that first line and a chain starts. Skip a payment and your credit takes the hit next. Damaged credit means vendors start asking for cash up front, so parts and repairs wait.

Deferred repairs turn into failing service. Failing service turns into the emergency repair, or the regulator's letter, you were trying to avoid in the first place. Catch it on the first link, not the last one.

Four ratios that screen the numbers

You do not need to build these from scratch. Ask whoever keeps your books to pull four numbers, then read them the way you would read four gauges on the same panel.

  • Current ratio: current assets divided by current liabilities. Below 1.5 signals
  • Operating ratio: operating revenue divided by operating expenses. A ratio under 1.0
  • Equity ratio: equity divided by total assets. Below 0.30 points to a heavy reliance
  • Debt-service coverage: net operating income plus depreciation, divided by total

distress. Minnesota's rural water association offers a simple check: hold roughly twice what you owe in the short term. means the rates you charge are not paying for the water you deliver. on borrowed money. debt service. USDA Rural Utilities Service wants at least 1.1. Bond agreements often set the floor between 1.0 and 1.25, and internal policy targets commonly run 1.25 to 2.0.

RCAP's guide runs a worked example through a fictional system, the City of Everytown, and the numbers make the lesson concrete. Everytown's current ratio comes out to 4.59, comfortably above the floor. Its operating ratio lands at 1.19, meaning revenue covered operating cost with room to spare.

Its debt-service coverage is 1.71, well past what any lender asks for. But its equity ratio comes in at 0.27, just under the 0.30 line, a heavy debt load hiding underneath three otherwise healthy numbers.

That is the entire lesson in one utility's books: read the ratios as a set. A single weak number is a question worth asking. A single strong number is not a clean bill of health on its own.

A quick read on the business

RCAP's guide also breaks the whole utility down into a handful of per-customer and per-gallon numbers, useful the same way a pressure gauge is useful. You check it, compare it to last time, and move on.

For a 250-customer system, average revenue per customer runs $27.00 a month. Average total cost per customer runs $26.64 a month, a gap of thirty-six cents. The cost to produce and deliver a thousand gallons runs $5.33. The average customer uses about 4,750 gallons a month.

Track those same numbers on your own system every year. Watch two things: is the gap between revenue and cost per customer widening or shrinking, and is the cost to produce a thousand gallons climbing faster than what you charge for it.

None of this makes you an accountant, and it does not need to. It makes you able to sit across from your board or your auditor and ask the right question instead of nodding along. Next on the ladder: building a budget that tells the truth.

Further reading

RCAP's financial-statements walkthrough guide runs a fictional small utility through all three statements with a full set of numbers, a useful model if you want to build your own reading habit. Your state rural water association or an EPA-recognized environmental finance center will read a real set of statements with you line by line, usually at no charge.

Looking for your state? Find your state for certification rules, renewal, and who to call, one page per state.
A free resource from Ziptility. We make software for small water systems.