Public water system · IL1070400
ActiveIl American-Mount Pulaski
At a glance
Il American-Mount Pulaski (PWSID IL1070400) is an active community water system in Logan County, Illinois. It reports serving 1,506 people through 903 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in December 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,506
Service connections
903
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Il American-Mount Pulaski compare with other water systems in Logan County?
By EPA's size categories, Il American-Mount Pulaski is a small system (501 to 3,300 people). Logan County has 20 active public water systems, and Il American-Mount Pulaski is the 3rd-largest of them by population served. Its population served is about 25% above the county average of 1,203 people per system, and accounts for 6.3% of the 24,058 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Il American-Mount Pulaski 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. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Il American-Mount Pulaski?
EPA lists Il American-Mount Pulaski as owned by a local government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 20 active systems in Logan County (50%) are also owned by a local government.
Does Il American-Mount Pulaski have drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in December 2019. The violations listed here began between June 1977 and December 2019. By type: 4 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. 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 |
|---|---|---|---|---|
| 2019-12-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2014-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2001-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1994-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1977-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | 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.
Il American-Mount Pulaski: frequently asked questions
Who runs Il American-Mount Pulaski?
Il American-Mount Pulaski (PWSID IL1070400) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Il American-Mount Pulaski serve?
Il American-Mount Pulaski reports serving 1,506 people through 903 service connections in Logan County, Illinois.
Where does Il American-Mount Pulaski 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 Il American-Mount Pulaski have any drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in December 2019. 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 Il American-Mount Pulaski'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; 4 are health-based, and the most recent began in December 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Il American-Mount Pulaski's water quality report?
As a community water system, Il American-Mount Pulaski 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 Logan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Lincoln | Logan | 15,200 | Community | Groundwater under influence of surface water |
| Atlanta | Logan | 1,692 | Community | Groundwater |
| Logan Correctional Center | Logan | 1,500 | Community | Purchased groundwater |
| Lincoln Correctional Center | Logan | 1,036 | Community | Purchased groundwater |
| Elkhart | Logan | 565 | Community | Groundwater |
| Emden | Logan | 467 | 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, “Il American-Mount Pulaski, PWSID IL1070400, Illinois”, https://aquacensus.com/water-systems/illinois/il-american-mount-pulaski-il1070400 (data as of October 1, 2026).