Public water system · TX1980002

Active

City of Calvert

At a glance

City of Calvert (PWSID TX1980002) is an active community water system in Robertson County, Texas. It reports serving 962 people through 549 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

962

Service connections

549

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1980002

System typeCommunity water system

Activity statusActive

Population served962

Service connections549

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyRobertson County

How does City of Calvert compare with other water systems in Robertson County?

By EPA's size categories, City of Calvert is a small system (501 to 3,300 people). Robertson County has 10 active public water systems, and City of Calvert is the 5th-largest of them by population served. Its population served is about 32% below the county average of 1,419 people per system, and accounts for 6.8% of the 14,185 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Calvert 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates City of Calvert?

EPA lists City of Calvert as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 10 active systems in Robertson County (80%) are also owned by a local government.

Does City of Calvert have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between December 2016 and July 2025. By type: 7 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (6 of them). EPA lists 9 as resolved and 3 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2025-07-02	ReportingNotification, Known or Potential LSL · code 4H	Lead and Copper Rule Revisionscode 5200	No	Resolved
2025-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Unaddressed
2024-02-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2023-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-01-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2018-10-26	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2018-09-22	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-06-05	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-05-15	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2017-04-01	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2017-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2016-12-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed

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.

City of Calvert: frequently asked questions

Who runs City of Calvert?

City of Calvert (PWSID TX1980002) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does City of Calvert serve?

City of Calvert reports serving 962 people through 549 service connections in Robertson County, Texas.

Where does City of Calvert 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 City of Calvert have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. 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 City of Calvert'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, one is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find City of Calvert's water quality report?

As a community water system, City of Calvert 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 Robertson County

Water system	County	Population served	Type	Source
City of Hearne	Robertson	4,959	Community	Groundwater
Robertson County WSC	Robertson	3,611	Community	Groundwater
City of Franklin	Robertson	1,610	Community	Groundwater
Twin Creek WSC	Robertson	1,400	Community	Groundwater
City of Bremond	Robertson	858	Community	Groundwater
Wickson Sud Wheelock	Robertson	499	Community	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, “City of Calvert, PWSID TX1980002, Texas”, https://aquacensus.com/water-systems/texas/city-of-calvert-tx1980002 (data as of October 1, 2026).