Public water system · LA1017026
ActiveTown of Oil City Water System
At a glance
Town of Oil City Water System (PWSID LA1017026) is an active community water system in Caddo Parish County, Louisiana. It reports serving 2,148 people through 716 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,148
Service connections
716
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Town of Oil City Water System compare with other water systems in Caddo Parish County?
By EPA's size categories, Town of Oil City Water System is a small system (501 to 3,300 people). Caddo Parish County has 35 active public water systems. Its population served is well below the county average of 7,009 people per system, and accounts for 0.9% of the 245,308 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active community water system reports serving 6,703 people, so Town of Oil City Water System is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Louisiana has 815 active community water systems, 73% of the state's 1,121 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 33 Louisiana systems (2.9%) list purchased surface water as their primary source.
Who owns and regulates Town of Oil City Water System?
EPA lists Town of Oil City Water System as owned by a local government. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 11 of the 35 active systems in Caddo Parish County (31%) are also owned by a local government.
Does Town of Oil City Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024. The violations listed here began between July 2021 and October 2024. By type: 8 contaminant level above the legal limit, 2 public notice, recordkeeping or other, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (4 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-09-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Town of Oil City Water System: frequently asked questions
Who runs Town of Oil City Water System?
Town of Oil City Water System (PWSID LA1017026) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Town of Oil City Water System serve?
Town of Oil City Water System reports serving 2,148 people through 716 service connections in Caddo Parish County, Louisiana.
Where does Town of Oil City Water System get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Town of Oil City Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Town of Oil City Water System's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Town of Oil City Water System's water quality report?
As a community water system, Town of Oil City Water System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Caddo Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Shreveport Water System | Caddo Parish | 192,378 | Community | Surface water |
| Town of Blanchard Water System | Caddo Parish | 16,326 | Community | Surface water |
| Waterworks District 7 | Caddo Parish | 5,817 | Community | Groundwater |
| Town of Greenwood Water System | Caddo Parish | 5,205 | Community | Surface water |
| Pinehill Waterworks District | Caddo Parish | 4,926 | Community | Purchased surface water |
| Town of Vivian Water System | Caddo Parish | 4,050 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Town of Oil City Water System, PWSID LA1017026, Louisiana”, https://aquacensus.com/water-systems/louisiana/town-of-oil-city-water-system-la1017026 (data as of October 1, 2026).