Public water system · CO0145300

Active

Hilltop Wc

At a glance

Hilltop Wc (PWSID CO0145300) is an active community water system in Otero County, Colorado. It reports serving 285 people through 119 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2026.

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

Population served

285

Service connections

119

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDCO0145300

System typeCommunity water system

Activity statusActive

Population served285

Service connections119

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCO state drinking water program

City served—

StateColorado

ZIP—

CountyOtero County

How does Hilltop Wc compare with other water systems in Otero County?

By EPA's size categories, Hilltop Wc is a very small system (500 people or fewer). Otero County has 23 active public water systems. Its population served is about 66% below the county average of 840 people per system, and accounts for 1.5% of the 19,329 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Hilltop Wc 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.

Who owns and regulates Hilltop Wc?

EPA lists Hilltop Wc as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 16 of the 23 active systems in Otero County (70%) are also privately owned.

Does Hilltop Wc have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2026. The violations listed here began between January 1993 and January 2026. By type: 5 monitoring and reporting, 4 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Bromate (5 of them). EPA lists 10 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
2026-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2022-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2021-10-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2016-12-31	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2016-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Bromatecode 1011	No	Resolved
2015-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Bromatecode 1011	Yes	Resolved
2015-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Bromatecode 1011	Yes	Resolved
2015-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Bromatecode 1011	Yes	Resolved
2014-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Bromatecode 1011	Yes	Resolved
1993-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved

All 10 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.

Hilltop Wc: frequently asked questions

Who runs Hilltop Wc?

Hilltop Wc (PWSID CO0145300) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Hilltop Wc serve?

Hilltop Wc reports serving 285 people through 119 service connections in Otero County, Colorado.

Where does Hilltop Wc 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 Hilltop Wc have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2026. 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 Hilltop Wc'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 10 violations for this system; 4 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Hilltop Wc's water quality report?

As a community water system, Hilltop Wc 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 Otero County

Water system	County	Population served	Type	Source
La Junta City of	Otero	8,320	Community	Groundwater
Rocky Ford City of	Otero	4,443	Community	Groundwater
Fowler Town of	Otero	1,169	Community	Groundwater under influence of surface water
Bents Fort Wc	Otero	900	Community	Purchased groundwater
Swink Town of	Otero	660	Community	Groundwater
South Swink Water Authority	Otero	622	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, “Hilltop Wc, PWSID CO0145300, Colorado”, https://aquacensus.com/water-systems/colorado/hilltop-wc-co0145300 (data as of October 1, 2026).