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AquaCensus

Public water system · TX1090038

Active

Arrowhead Water System Hill

At a glance

Arrowhead Water System Hill (PWSID TX1090038) is an active community water system in Hill County, Texas. It reports serving 381 people through 127 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in July 2025.

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

Population served

381

Service connections

127

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1090038
System typeCommunity water system
Activity statusActive
Population served381
Service connections127
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyHill County

How does Arrowhead Water System Hill compare with other water systems in Hill County?

By EPA's size categories, Arrowhead Water System Hill is a very small system (500 people or fewer). Hill County has 39 active public water systems. Its population served is well below the county average of 1,338 people per system, and accounts for 0.7% of the 52,177 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 Arrowhead Water System Hill 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 Arrowhead Water System Hill?

EPA lists Arrowhead Water System Hill as privately owned. 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. 11 of the 39 active systems in Hill County (28%) are also privately owned.

Does Arrowhead Water System Hill have drinking water violations?

EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in July 2025. The violations listed here began between June 1979 and July 2025. By type: 3 contaminant level above the legal limit, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Fluoride (3 of them). EPA lists 4 as archived and 1 as resolved. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
1991-05-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived
1983-09-22Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Fluoridecode 1025YesArchived
1979-06-14Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Fluoridecode 1025YesArchived
1979-06-14Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Fluoridecode 1025YesArchived

All 5 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.

Arrowhead Water System Hill: frequently asked questions

Who runs Arrowhead Water System Hill?

Arrowhead Water System Hill (PWSID TX1090038) is a community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Arrowhead Water System Hill serve?

Arrowhead Water System Hill reports serving 381 people through 127 service connections in Hill County, Texas.

Where does Arrowhead Water System Hill 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 Arrowhead Water System Hill have any drinking water violations?

EPA's records list 5 violations for this system; 3 are 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 Arrowhead Water System Hill'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 5 violations for this system; 3 are 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 Arrowhead Water System Hill's water quality report?

As a community water system, Arrowhead Water System Hill 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 Hill County

Water systemCountyPopulation servedTypeSource
City of HillsboroHill8,867CommunityPurchased surface water
Files Valley WSCHill4,776CommunityPurchased surface water
Hill County WSCHill4,383CommunityPurchased surface water
Cedar Creek Water SystemHill3,720CommunityGroundwater
Post Oak SudHill3,117CommunityPurchased surface water
Woodrow Osceola WSC Blanton Well Plant 1Hill2,526CommunityGroundwater

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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, “Arrowhead Water System Hill, PWSID TX1090038, Texas”, https://aquacensus.com/water-systems/texas/arrowhead-water-system-hill-tx1090038 (data as of October 1, 2026).