When a utility calls conditions unprecedented, it makes a comparison claim. The word holds only if someone can name the record it is measured against. A board, a lender, a customer, or a regulator who repeats the claim is relying on that record whether or not they have seen it, and the file behind the phrase is often thinner than the phrase suggests.
Water Finance and Management reported that Denver Water is raising water and drought rates for 2027, with the utility serving 1.5 million people as it deals with "historic drought" and ongoing inflation. The Board of Water Commissioners approved the increase unanimously on Oct. 28. The headline frames the decision around "unprecedented conditions." This article does not assess Denver's figures, which are outside the summary. It uses the headline's phrase as a test case for what any utility needs on file before making the same claim.
Name the Comparison Set
A conditions claim has at least four parts that should be written down separately. The first is the metric, such as reservoir storage, streamflow, precipitation, demand, or supply yield. These move differently and answer different questions. The second is the period of record, which sets the comparison. The third is the statistic, meaning the lowest observed value, the lowest value in a given percentile, or the first occurrence since a given year. The fourth is the source and its gaps, including gauge relocations, instrument changes, and any filled data.
Each choice shifts the answer. A baseline reaching back a century can show a current year as extreme against a long average, while a short baseline may make a recent dry stretch look historic simply because it is the only stretch in the file. Neither is wrong by definition. A reader needs the period stated with the claim so the word can be tested rather than accepted.
Keep Cost and Condition in Separate Columns
Inflation is a cost variable, not a hydrologic one. When a rate action cites both drought and inflation, the file should show which portion of the change traces to supply conditions and which traces to the price of treatment, pumping, chemicals, labor, and capital. Blending them in one sentence makes the drought appear to justify more of the increase than it may. That is a question for the rate record, and staff can answer it only if the components were kept apart from the start.
What to Put in Your File Before the Claim
Write the baseline in the same document as the claim, not in a separate deck. Date each source and note the version pulled, since hydrologic records are revised. State the event threshold in plain terms, such as the storage level at which a drought stage begins, so that a later reviewer can check whether the threshold was crossed. Record what observation would weaken the claim. A claim that cannot be falsified is a message, not an analysis.
A board packet carries its own exposure. Slides tend to keep the headline word and drop the footnote. Once the footnote is gone, the claim outlives its support. Keep a one-line baseline statement on every slide that uses the word, and link it to the source file. A regulator reviewing the filing will ask the same questions, and the answers should already be on the page.
If a second analyst working from the same file reaches a different conclusion about how unusual the year is, the wording should narrow. "Lower than any observed year since a stated start date" is less striking than "unprecedented," but it can be defended in a hearing and corrected in the next filing without losing credibility. Uncertainty about the comparison is normal. What matters is that the reader can see where it sits.
Where This Leaves the Reader
The Denver item is a reminder that a conditions word in a headline is shorthand for a dataset, and the dataset is what a utility, a dealer, or a researcher must hold if the word is repeated. Check the period, the metric, the statistic, and the cost separation before the claim moves into a board packet, a customer letter, or a filing. If any one of the four is missing, the honest version of the claim is a narrower one.