Public water system · IA2326104
ActiveEquistar Chemicals Lp
At a glance
Equistar Chemicals Lp (PWSID IA2326104) is an active non-transient non-community water system in Clinton County, Iowa. It reports serving 715 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
715
Service connections
21
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Equistar Chemicals Lp compare with other water systems in Clinton County?
By EPA's size categories, Equistar Chemicals Lp is a small system (501 to 3,300 people). Clinton County has 29 active public water systems, and Equistar Chemicals Lp is the 5th-largest of them by population served. Its population served is about half of the county average of 1,391 people per system, and accounts for 1.8% of the 40,325 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Equistar Chemicals Lp is about 66% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Iowa has 118 active non-transient non-community water systems, 6.5% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Equistar Chemicals Lp?
EPA lists Equistar Chemicals Lp as privately owned. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 29 active systems in Clinton County (52%) are also privately owned.
Does Equistar Chemicals Lp have drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2018. The violations listed here began between September 1997 and July 2018. By type: 7 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Simazine, Alachlor (Lasso), Atrazine and Di(2-ethylhexyl) adipate. EPA lists 8 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 |
|---|---|---|---|---|
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2011-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-09-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
All 8 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.
Equistar Chemicals Lp: frequently asked questions
Who runs Equistar Chemicals Lp?
Equistar Chemicals Lp (PWSID IA2326104) is a non-transient non-community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Equistar Chemicals Lp serve?
Equistar Chemicals Lp reports serving 715 people through 21 service connections in Clinton County, Iowa.
Where does Equistar Chemicals Lp 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 Equistar Chemicals Lp have any drinking water violations?
EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2018. 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 Equistar Chemicals Lp'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 8 violations for this system; 1 is health-based, and the most recent began in July 2018. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find Equistar Chemicals Lp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Equistar Chemicals Lp is a non-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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Iowa-American Wtr Co-Clinton District | Clinton | 24,769 | Community | Groundwater |
| De Witt Water Supply | Clinton | 5,514 | Community | Groundwater |
| Camanche Water Supply | Clinton | 4,570 | Community | Groundwater |
| Wheatland City Water Supply | Clinton | 775 | Community | Groundwater |
| Grand Mound Water Supply | Clinton | 615 | Community | Groundwater |
| Delmar Water Supply | Clinton | 542 | 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, “Equistar Chemicals Lp, PWSID IA2326104, Iowa”, https://aquacensus.com/water-systems/iowa/equistar-chemicals-lp-ia2326104 (data as of October 1, 2026).