# COALINGA, CITY OF — Warning Letter

**Citation:** CPF 520170006W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2017-06-22

CLOSED warning letter citing 192.465(d).

## Document text

Warning Letter involving COALINGA, CITY OF. PHMSA's enforcement data identifies the cited regulation as 192.465(d). The case was opened on 2017-06-22 and is reported as closed as of 2017-06-22. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

520170006W_Warning Letter_06222017.pdf: https://primis.phmsa.dot.gov/enforcement-documents/520170006W/520170006W_Warning%20Letter_06222017.pdf

520170006W_Warning Letter_06222017_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/520170006W/520170006W_Warning%20Letter_06222017_text.pdf

520170006W_Warning Letter_06222017_text.pdf

WARNING LETTER
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
June 22, 2017
Mr. Peter Preciado
Public Works and Utilities Director
City of Coalinga
155 West Durian Avenue
Coalinga, CA 93210
CPF 5-2017-0006W
Dear Mr. Preciado:
On May 8 to 9, 2017, a representative of the Pipeline and Hazardous Materials Safety
Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code (U.S.C.),
inspected your City of Coalinga’s Gas Distribution System in Coalinga, California.
As a result of the inspection, it is alleged that you have committed a probable violation of the
Pipeline Safety Regulations, Title 49, Code of Federal Regulations (CFR). The item
inspected and the probable violation is:
1. § 192.465 External corrosion control: Monitoring.
(d) Each operator shall take prompt remedial action to correct any deficiencies
indicated by the monitoring.
City of Coalinga failed to take timely remedial action to investigate and correct any
deficiencies indicated by the 2016 Annual Pipe-to-Soil Potential Survey as required by
194.465(d). At the time of the inspection, it was noted that the required cathodic protection
criteria did not meet a negative voltage of at least 0.85 volt. The current 2017 Annual Pipe-



to-Soil Potential Survey which was done on April 3, 2017 has indicated three (3) readings
below -0.50 volt in the cathodic protection test points and thirteen (13) readings below -0.50
volt in the separately protected isolated risers.
As of April 27, 2017, under 49 U.S.C. § 60122 and 49 CFR § 190.223, you are subject to a
civil penalty not to exceed $209,002 per violation per day the violation persists up to a
maximum of $2,090,022 for a related series of violations. We have reviewed the
circumstances and supporting documents involved in this case, and have decided not to
conduct additional enforcement action or penalty assessment proceedings at this time. We
advise you to correct the item identified in this letter. Failure to do so will result in the City of
Coalinga being subject to additional enforcement action.
No reply to this letter is required. If you choose to reply, in your correspondence please refer
to CPF 5-2017-0006W. Be advised that all material you submit in response to this
enforcement action is subject to being made publicly available. If you believe that any
portion of your responsive material qualifies for confidential treatment under 5 U.S.C. 552(b),
along with the complete original document you must provide a second copy of the document
with the portions you believe qualify for confidential treatment redacted and an explanation of
why you believe the redacted information qualifies for confidential treatment under 5 U.S.C.
552(b).
Sincerely,
Huy Nguyen
Acting Director, Western Region
Pipeline and Hazardous Materials Safety Administration
cc: PHP-60 Compliance Registry
PHP-500 N. Cruz (#156057)

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/520170006W>
- Source ID: `phmsa-enforcement`
- SHA-256: `5c3085cbb4fe53e79e7965138d0186fcd1e5aa5e9b567b050fc81df796045a2a`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-22T22:24:42.328Z
- Document slug: `phmsa-enforcement-520170006w`

### Source metadata

```json
{
  "cpf": "520170006W",
  "operator": "COALINGA, CITY OF",
  "region": "Western",
  "pipelineType": "GAS INTRASTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.465(d)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 2,
  "attachments": [
    {
      "name": "520170006W_Warning Letter_06222017.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/520170006W/520170006W_Warning%20Letter_06222017.pdf",
      "bytes": 71744,
      "category": "agency_document"
    },
    {
      "name": "520170006W_Warning Letter_06222017_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/520170006W/520170006W_Warning%20Letter_06222017_text.pdf",
      "bytes": 81003,
      "category": "agency_document"
    }
  ],
  "extractedAgencyDocumentCount": 1,
  "attachmentPolicy": "Official attachment links are retained. Agency-issued documents may also include a verified local PDF and page-level text representation.",
  "jurisdiction": "US",
  "operatorName": "COALINGA, CITY OF"
}
```
