SUBURBAN APARTMENTS (DE KALB UNIV DVL)
PWS ID: IL0375148 · OAK BROOK, Illinois 60523
SUBURBAN APARTMENTS (DE KALB UNIV DVL) serves 1,050 people in OAK BROOK, Illinois using Groundwater water sources. It has 109 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: SUBURBAN APARTMENTS (DE KALB UNIV DVL)
SUBURBAN APARTMENTS (DE KALB UNIV DVL) is a private-owned community water system that delivers drinking water to 1,050 residents in OAK BROOK, Illinois (DeKalb County) through 26 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 total violations for this system , of which 4 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 67 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.
The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 22 violations (MON). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. SUBURBAN APARTMENTS (DE KALB UNIV DVL)'s 109 violations sit above the Illinois average. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 26
- County
- DeKalb
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 67
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 22 | 2023 |
| Chlorine | MR | 22 | 2023 |
| Combined Radium (-226 and -228) | MR | 18 | 2025 |
| Public Notice | Other | 12 | 2024 |
| Coliform (TCR) | MR | 5 | 1995 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Coliform (TCR) | MCL | 2 | 1998 |
| Lead and Copper Rule | TT | 2 | 1994 |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for SUBURBAN APARTMENTS (DE KALB UNIV DVL).
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID IL0375148 on SDWISSource: EPA SDWIS Federal Reports Search
Illinois Drinking Water Authority
Illinois EPA — Bureau of Water is the primacy agency that licenses and inspects SUBURBAN APARTMENTS (DE KALB UNIV DVL) under EPA-delegated authority.
Open IL regulator portalSource: Illinois EPA — Bureau of Water
Violation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2025 | Combined Radium (-226 and -228) | MR | 18 | SDWIS / IL0375148 / 4010 |
| 2025 | Consumer Confidence Rule | Other | 4 | SDWIS / IL0375148 / 7000 |
| 2024 | Public Notice | Other | 12 | SDWIS / IL0375148 / 7500 |
| 2023 | Revised Total Coliform Rule | MON | 22 | SDWIS / IL0375148 / 8000 |
| 2023 | Chlorine | MR | 22 | SDWIS / IL0375148 / 0999 |
| 1998 | Coliform (TCR) | MCL | 2 | SDWIS / IL0375148 / 3100 |
| 1995 | Coliform (TCR) | MR | 5 | SDWIS / IL0375148 / 3100 |
| 1994 | Lead and Copper Rule | TT | 2 | SDWIS / IL0375148 / 5000 |
How SUBURBAN APARTMENTS (DE KALB UNIV DVL) Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | SUBURBAN APARTMENTS (DE KALB UNIV DVL) | Illinois avg | Federal benchmark |
|---|---|---|---|
| Total violations | 109 | 69.4 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 4 | 10.3 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 40.9% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 1,050 | 2,458 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is SUBURBAN APARTMENTS (DE KALB UNIV DVL) water safe to drink? ▼
How many people does SUBURBAN APARTMENTS (DE KALB UNIV DVL) serve? ▼
What type of violations does SUBURBAN APARTMENTS (DE KALB UNIV DVL) have? ▼
Has PFAS been detected in SUBURBAN APARTMENTS (DE KALB UNIV DVL) water? ▼
What water source does SUBURBAN APARTMENTS (DE KALB UNIV DVL) use? ▼
Where does this data come from? ▼
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Related Data for Illinois
Read our methodology — how this data is sourced, computed, and verified.