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Martinez · Fire · Roads · Parks · Thu Oct 1

Grade C, score 61 of 100 · open the full fact check 1 independent source checked · single-source check

Firefighters contain two-alarm vegetation fire on Rancho La Boca Road in Martinez

Story guide: details named in the linked reporting

What the reporting says

ContraCosta.news reports the Contra Costa County Fire Protection District contained a vegetation fire on Rancho La Boca Road in Martinez on Thursday.

  • According to ContraCosta.news, while crews were responding, a column of smoke was reported near Highway 4 and Interstate 680.
  • Firefighters arrived to find approximately 1.5 acres of vegetation burning, the report says.
  • A second alarm and CALFIRE were requested around 4:05 pm, and by 4:23 pm the fire was contained and the additional resources were cancelled.

Read it at ContraCosta.news

The full fact check1 outlet · Grade C
> THE MARTINEZ WIRE ▌SOURCE CHECK · OCT 2, 2026C61 / 100

Grade C · score 61/100

The story links one public document and names two people or agencies on the record; the one fact the Wire could check matches its records.

Checked Fri Oct 2, 6:51 AM · 1 of 1 page read

Sources checked

  1. Contra Costa County Fire Protection District (Con Fire): Grass or brush fire, 700 block of Rancho La Boca Rd, Thu Oct 1 3:26 PMContra Costa County Fire Protection District (Con Fire) · Checked Fri Oct 2, 6:51 AM

The reporting

  1. “Martinez: Firefighters Contain 2-Alarm Vegetation Fire”ContraCosta.news

record checkconfirmed by one source

  1. Matches the record.

    Contra Costa County Fire Protection District (Con Fire): Grass or brush fire, 700 block of Rancho La Boca Rd, Thu Oct 1 3:26 PM.

    As ContraCosta.news wrote it: “According to preliminary information, the fire was estimated at 100×20 in size in the 700 block of Rancho La Boca Road near Briones Regional Park.”

    The record on the WireSource

coverage1 outlet

1 newsroom

ContraCosta.news

News report · CC News · Thu Oct 1, 4:34 PM

Source grade C61/100

“Martinez: Firefighters Contain 2-Alarm Vegetation Fire”

1 document linked0 quotes2 of 3 paragraphs say where facts came fromcccfpd.orgHeadline: the headline's 2 is not in the first three paragraphs −4

Read the full story at ContraCosta.news

How this was graded29.7 + 0 + 20 + 6 + 6 = 61.7 of 100 · Grade C
29.7
Sourcing · of 45
0
Corroboration · of 15
20
Record match · of 20
6
Headline · of 10
6
Transparency · of 10
Comments

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    How the grading works

    The short version

    The Wire grades each article from what the page itself shows: whether its facts say where they came from, the public documents it links, the other outlets and sources that confirm the same story, whether its facts match the Wire's own public records, a calm headline, and a clear byline and date. The story takes its best-sourced telling's grade. The grade describes the page, never the people in it.

    The formulaGrade = 100 × points ÷ possibleA 85 · B 70 · C 55 · D 40

    Grade = 100 × points ÷ possibleeach article · 0 to 100

    Story = its best tellingA 85 · B 70 · C 55 · D 40 · F below 40

    45
    Sourcing · 25 for the share of facts that say where they came from, 0, 7 or 12 for none, one or two or more public documents linked, 0 to 8 for the people and agencies named on the record
    15
    Corroboration · 8 or 12 for one or two or more other outlets or sources confirming it, 3 more when one is official; 8 for a telling alone that links two or more documents
    20
    Record match · 20 × the key facts confirmed or matching the Wire's records ÷ the facts checked; left out when none could be checked
    10
    Headline · less for a question, capitals, an exclamation mark, a teaser or heated words
    10
    Transparency · a byline, a date, an update or correction note, the outlet's identity, the kind labelled
    This story's arithmeticone article graded
    OutletSCRHTScore
    ContraCosta.news29.70206661

    29.7 + 0 + 20 + 6 + 6 = 61.7 of 100 · Grade C

    S sourcing · C corroboration · R record match · H headline · T transparency. A dash is a part left out.

    How it is checked6 rules
    • Every input is read by rules from the page itself; the arithmetic is shown for every article.
    • An article that names no source, links no document and names no one on the record says "No sources cited", and its grade is at most D.
    • Where the Wire's own records hold the fact (a vote, a meeting, an amount, a call, a listing), the story and the record are set side by side; a vote the record tells differently holds the grade at most at D.
    • An agency's own release is the record itself and is not graded; an outlet that prints it as its story counts once.
    • Each story's key facts are checked for independent confirmation: first by rules against the Wire's records and the agencies' own releases, then each morning by research. A confirmation counts only when the Wire read the source's page itself and found the sentence on it; a government page, a public record or another newsroom's own reporting, never a copy of the story or a social post. A source that tells a fact differently is shown beside the story.
    • A page the Wire cannot read is never guessed at: it shows only its own headline, quoted, and is not graded.
    Sources2 records
    1. News reportThu Oct 1ContraCosta.newsRead
    2. Public recordThu Oct 1Contra Costa County Fire Protection District (Con Fire): Grass or brush fire, 700 block of Rancho La Boca Rd, Thu Oct 1 3:26 PMRecord