Public water system · LA1029007
ActiveMonterey Rural Water System Inc.
At a glance
Monterey Rural Water System Inc. (PWSID LA1029007) is an active community water system in Concordia Parish County, Louisiana. It reports serving 5,250 people through 1,750 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,250
Service connections
1,750
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Monterey Rural Water System Inc. compare with other water systems in Concordia Parish County?
By EPA's size categories, Monterey Rural Water System Inc. is a medium system (3,301 to 10,000 people). Concordia Parish County has 8 active public water systems, and Monterey Rural Water System Inc. is the 3rd-largest of them by population served. Its population served is about 63% above the county average of 3,231 people per system, and accounts for 20% of the 25,845 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 Monterey Rural Water System Inc. is about 22% 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.
Who owns and regulates Monterey Rural Water System Inc.?
EPA lists Monterey Rural Water System Inc. as privately owned. 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. 2 of the 8 active systems in Concordia Parish County (25%) are also privately owned.
Does Monterey Rural Water System Inc. have drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 2024. The violations listed here began between March 1991 and July 2024. By type: 3 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as resolved and 3 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-11-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2019-11-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1991-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1991-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 7 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.
Monterey Rural Water System Inc.: frequently asked questions
Who runs Monterey Rural Water System Inc.?
Monterey Rural Water System Inc. (PWSID LA1029007) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Monterey Rural Water System Inc. serve?
Monterey Rural Water System Inc. reports serving 5,250 people through 1,750 service connections in Concordia Parish County, Louisiana.
Where does Monterey Rural Water System Inc. get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Monterey Rural Water System Inc. have any drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 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 Monterey Rural Water System Inc.'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. EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 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 Monterey Rural Water System Inc.'s water quality report?
As a community water system, Monterey Rural Water System Inc. 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 Concordia Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Concordia Waterworks District 1 | Concordia Parish | 6,921 | Community | Groundwater |
| Town of Vidalia Water System | Concordia Parish | 6,354 | Community | Groundwater |
| Town of Ferriday Water System | Concordia Parish | 3,816 | Community | Groundwater |
| Lake St John Waterworks District 1 | Concordia Parish | 2,067 | Community | Groundwater |
| Village of Clayton Water System | Concordia Parish | 723 | Community | Groundwater |
| Village of Ridgecrest Water Supply | Concordia Parish | 684 | Community | Purchased groundwater |
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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, “Monterey Rural Water System Inc., PWSID LA1029007, Louisiana”, https://aquacensus.com/water-systems/louisiana/monterey-rural-water-system-inc-la1029007 (data as of October 1, 2026).