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Community Water System · PWS IA8215303

Hickory Hills Subdivision #2

Davenport, Iowa 52807 - drinking water served from groundwater sources to 181 people, tracked in EPA SDWIS and UCMR5.

181
People served
53
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 53 drinking-water violations at Hickory Hills Subdivision #2, 2% of them health-based - below the Iowa per-system average.

53
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
181
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hickory Hills Subdivision #2

Hickory Hills Subdivision #2 is a private-owned community water system that delivers drinking water to 181 residents in Davenport, Iowa (Scott County) through 67 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 53 total violations for this system , of which 1 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 15 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 77 violations. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%).

Hickory Hills Subdivision #2's 53 violations sit below the Iowa average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
181
Total Violations
53
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
67
County
Scott
School/Daycare
No
MCL Violations
1
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 1997
Nitrate MR 9 2002
E. COLI MR 4 2018
Nitrite MR 4 1994
Gross Alpha, Excl. Radon and U MR 4 2001
Combined Radium (-226 and -228) MR 4 2001
Coliform (TCR) MCL 1 1998
Lead and Copper Rule MR 1 2006

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 Hickory Hills Subdivision #2.

Federal Source of Truth

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 IA8215303 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find IA regulator via EPA SDWIS

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
2018 E. COLI MR 4 SDWIS / IA8215303 / 3014
2006 Lead and Copper Rule MR 1 SDWIS / IA8215303 / 5000
2002 Nitrate MR 9 SDWIS / IA8215303 / 1040
2001 Gross Alpha, Excl. Radon and U MR 4 SDWIS / IA8215303 / 4000
2001 Combined Radium (-226 and -228) MR 4 SDWIS / IA8215303 / 4010
1998 Coliform (TCR) MCL 1 SDWIS / IA8215303 / 3100
1997 Coliform (TCR) MR 15 SDWIS / IA8215303 / 3100
1994 Nitrite MR 4 SDWIS / IA8215303 / 1041

How Hickory Hills Subdivision #2 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Hickory Hills Subdivision #2 Iowa avg Federal benchmark
Total violations 53 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 181 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hickory Hills Subdivision #2 water safe to drink? ▼
Hickory Hills Subdivision #2 (PWS ID: IA8215303) has 53 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 181 people using Groundwater sources.
How many people does Hickory Hills Subdivision #2 serve? ▼
Hickory Hills Subdivision #2 serves 181 people in Davenport, Iowa. It is a Private-owned system using Groundwater water sources with 67 service connections.
What type of violations does Hickory Hills Subdivision #2 have? ▼
Hickory Hills Subdivision #2 has 53 total violations: 1 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hickory Hills Subdivision #2 water? ▼
No PFAS testing data is available for Hickory Hills Subdivision #2 under the EPA's UCMR5 monitoring program.
What water source does Hickory Hills Subdivision #2 use? ▼
Hickory Hills Subdivision #2 uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.