Public water system · IL0330150
ActiveOblong
At a glance
Oblong (PWSID IL0330150) is an active community water system in Crawford County, Illinois. It reports serving 2,321 people through 1,150 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,321
Service connections
1,150
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Oblong compare with other water systems in Crawford County?
By EPA's size categories, Oblong is a small system (501 to 3,300 people). Crawford County has 8 active public water systems, and Oblong is the 3rd-largest of them by population served. Its population served is about 11% below the county average of 2,595 people per system, and accounts for 11% of the 20,758 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 Oblong is about 65% 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 348 Illinois systems (9%) list purchased groundwater as their primary source.
Who owns and regulates Oblong?
EPA lists Oblong 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. 6 of the 8 active systems in Crawford County (75%) are also owned by a local government.
Does Oblong have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2017. The violations listed here began between July 2004 and July 2017. By type: 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 3 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.
Oblong: frequently asked questions
Who runs Oblong?
Oblong (PWSID IL0330150) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Oblong serve?
Oblong reports serving 2,321 people through 1,150 service connections in Crawford County, Illinois.
Where does Oblong get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Oblong have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2017. 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 Oblong'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 3 violations for this system; none is health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Oblong's water quality report?
As a community water system, Oblong 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 Crawford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Robinson-Palestine Water Commission | Crawford | 11,331 | Community | Groundwater |
| Hardinville Water Company | Crawford | 3,403 | Community | Groundwater |
| Eaton PWD | Crawford | 1,655 | Community | Purchased groundwater |
| Robinson Correctional Center | Crawford | 1,085 | Community | Purchased groundwater |
| Hutsonville | Crawford | 613 | Community | Purchased groundwater |
| Flat Rock | Crawford | 325 | Community | Purchased 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, “Oblong, PWSID IL0330150, Illinois”, https://aquacensus.com/water-systems/illinois/oblong-il0330150 (data as of October 1, 2026).