Drinking water quality · 2024
What's in Glenbrook Cove Subdivision of Marion, IA tap water
17 contaminants were measured in the Glenbrook Cove Subdivision of Marion, IA water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 17
- Over federal limit
- 1
- Approaching the limit
- 2
- Worst contaminant
- Turbidity
- Service area
- IA
Where your water comes from · EPA SDWIS
Glenbrook Cove Subdivision of Marion, IA's drinking water comes from ground water, drawn from 6 sources.
Source
- WELL #1
- WELL #4
- WELL #5
- WELL #6
- + 2 more
Treatment
- PLANT #1 FOR WELLS #1 AND #4
- PLANT #2 FOR WELLS #5 AND #8
- PLANT #4 FOR WELLS #6 AND #9
- + 1 more
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based3 violations on record · most recent Jan 2015resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 99.99 NTURangeNw Plant | None set | At or above the limit |
+By source (2)— Nw Plant, J Ave. Plant
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.6–3.5RangeNw Plant | None set | Detected — no federal limit |
+By source (7)— Nw Plant, J Ave. Plant, 2023 Annual Average +4 more
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.9–3.8 mg/LRangeSystem-wide | 4 mg/LMCL | Approaching the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0–9 mg/LRangeNw Plant | 10 mg/LMCL | Approaching the limit |
+By source (7)— Nw Plant, J Ave. Plant, 2020 Annual Average +4 more
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.1–0.8 mg/LRangeJ Ave. Plant | 4 mg/LMCL | Within the limit |
+By source (2)— J Ave. Plant, Nw Plant
| |||
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | 0.1 mg/LReported levelSystem-wide | 1 mg/LMCL | Within the limit |
+By source (2)— J Ave. Plant, Nw Plant
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0083 mg/L90th percentileAt the tap | 0.015 mg/LAction level | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–1.4 ug/LRangeJ Ave. Plant | None set | Within the limit |
+By source (2)— J Ave. Plant, Nw Plant
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.071 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| IronA naturally occurring metal common in groundwater. | 410Reported level2022 Annual Average | None set | Detected — no federal limit |
+By source (5)— 2022 Annual Average, 2024 Annual Average, 2023 Annual Average +2 more
| |||
| SodiumA naturally occurring salt component. | 16.4Reported level2024 Annual Average | None set | Detected — no federal limit |
+By source (7)— 2024 Annual Average, J Ave. Plant, Nw Plant +4 more
| |||
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 9.8 mg/LReported level2024 Annual Average | None set | Detected — no federal limit |
+By source (5)— 2024 Annual Average, 2023 Annual Average, 2022 Annual Average +2 more
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | 0–0.5 ug/LRangeJ Ave. Plant | None set | Within the limit |
+By source (2)— J Ave. Plant, Nw Plant
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 0–3.9 ug/LRangeSystem-wide | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | Not detectedReported level2020 Annual Average | None set | None detected |
+By source (5)— 2020 Annual Average, 2021 Annual Average, 2022 Annual Average +2 more
| |||
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 16Reported level2023 Annual Average | None set | Detected — no federal limit |
+By source (5)— 2023 Annual Average, 2021 Annual Average, 2022 Annual Average +2 more
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| RadonA naturally occurring radioactive gas that can dissolve into groundwater. | 297Reported level2020 Annual Average | None set | Detected — no federal limit |
+By source (5)— 2020 Annual Average, 2021 Annual Average, 2023 Annual Average +2 more
| |||
People also ask about Glenbrook Cove Subdivision of Marion, IA's water
+Is Glenbrook Cove Subdivision of Marion, IA tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Glenbrook Cove Subdivision of Marion, IA water utility lists 1 contaminant at or above the federal limit: Turbidity. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Glenbrook Cove Subdivision of Marion, IA tap water?
17 contaminants were measured in Glenbrook Cove Subdivision of Marion, IA's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and microbial. 6 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Glenbrook Cove Subdivision of Marion, IA tap water?
One contaminant in Glenbrook Cove Subdivision of Marion, IA's 2024 report sits at or above the federal limit: Turbidity (100.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Glenbrook Cove Subdivision of Marion, IA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Turbidity, at 100.0× the federal threshold. It belongs to the physical & aggregate family of contaminants.
+Are any contaminants in Glenbrook Cove Subdivision of Marion, IA tap water approaching the federal limit?
2 contaminants are between 80% and 100% of the federal limit in this report: Chlorine Total and Nitrate. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Glenbrook Cove Subdivision of Marion, IA's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Glenbrook Cove Subdivision of Marion, IA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.