Public water system · OK2004192

Active

Chandler Lake Wells South

At a glance

Chandler Lake Wells South (PWSID OK2004192) is an active transient non-community water system in Lincoln County, Oklahoma. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2025.

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

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOK2004192

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections1

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyLincoln County

How does Chandler Lake Wells South compare with other water systems in Lincoln County?

By EPA's size categories, Chandler Lake Wells South is a very small system (500 people or fewer). Lincoln County has 22 active public water systems. Its population served is well below the county average of 800 people per system, and accounts for 0.1% of the 17,590 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Chandler Lake Wells South is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Oklahoma has 306 active transient non-community water systems, 24% of the state's 1,254 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.

Who owns and regulates Chandler Lake Wells South?

EPA lists Chandler Lake Wells South as owned by a local government. The OK 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 22 active systems in Lincoln County (73%) are also owned by a local government.

Does Chandler Lake Wells South have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2025. The violations listed here began between January 2014 and October 2025. By type: 6 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate-Nitrite (4 of them). EPA lists 8 as resolved and 1 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
2025-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2021-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2017-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitrate-Nitritecode 1038	Yes	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved
2014-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved

All 9 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.

Chandler Lake Wells South: frequently asked questions

Who runs Chandler Lake Wells South?

Chandler Lake Wells South (PWSID OK2004192) is a transient non-community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Chandler Lake Wells South serve?

Chandler Lake Wells South reports serving 25 people through 1 service connection in Lincoln County, Oklahoma.

Where does Chandler Lake Wells South 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 Chandler Lake Wells South have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 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 Chandler Lake Wells South'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 9 violations for this system; 1 is health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the OK state drinking water program.

Where can I find Chandler Lake Wells South's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Chandler Lake Wells South is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Lincoln County

Water system	County	Population served	Type	Source
Chandler	Lincoln	3,142	Community	Surface water
Stroud Utilities Authority	Lincoln	2,811	Community	Surface water
Lincoln Co Rw & Sewer Dist 4	Lincoln	2,525	Community	Purchased surface water
Prague	Lincoln	2,395	Community	Groundwater
Meeker Public Works Authority	Lincoln	1,044	Community	Purchased surface water
Davenport Utility Auth	Lincoln	881	Community	Purchased 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, “Chandler Lake Wells South, PWSID OK2004192, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/chandler-lake-wells-south-ok2004192 (data as of October 1, 2026).