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ROCKY KNOLL MHP

PWS ID: IA9525601 · LELAND, Iowa 50453

ROCKY KNOLL MHP serves 49 people in LELAND, Iowa using Groundwater water sources. It has 502 recorded EPA violations, including 33 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROCKY KNOLL MHP

ROCKY KNOLL MHP is a private-owned community water system that delivers drinking water to 49 residents in LELAND, Iowa (Winnebago County) through 35 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 502 total violations for this system , of which 33 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 431 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 Coliform (TCR), recorded in 122 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. ROCKY KNOLL MHP's 502 violations sit above the Iowa average. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%). 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
49
Total Violations
502
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35
County
Winnebago
School/Daycare
No
MCL Violations
33
Monitoring Violations
431
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 122 2011
Coliform (TCR) MCL 33 2013
Consumer Confidence Rule Other 24 2008
Lead and Copper Rule MR 22 2002
Nitrate MR 21 2009
Antimony, Total MR 6 1997
Arsenic MR 6 1997
Barium MR 6 1997
Fluoride MR 6 1997
Mercury MR 6 1997
Selenium MR 6 1997
Thallium, Total MR 6 1997
p-Dichlorobenzene MR 6 1997
1,1-Dichloroethylene MR 6 1997
cis-1,2-Dichloroethylene MR 6 1997
trans-1,2-Dichloroethylene MR 6 1997
Ethylbenzene MR 6 1997
Styrene MR 6 1997
Tetrachloroethylene MR 6 1997
Toluene MR 6 1997
1,2,4-Trichlorobenzene MR 6 1997
1,1,1-Trichloroethane MR 6 1997
1,1,2-Trichloroethane MR 6 1997
Vinyl chloride MR 6 1997
Xylenes, Total MR 6 1997
2,4-D MR 6 1997
Dalapon MR 6 1997
Benzo(a)pyrene MR 6 1997
2,4,5-TP MR 6 1997
Combined Radium (-226 and -228) MR 6 2003

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 ROCKY KNOLL MHP.

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 IA9525601 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
2025 Revised Total Coliform Rule MON 2 SDWIS / IA9525601 / 8000
2013 Coliform (TCR) MCL 33 SDWIS / IA9525601 / 3100
2011 Coliform (TCR) MR 122 SDWIS / IA9525601 / 3100
2009 Nitrate MR 21 SDWIS / IA9525601 / 1040
2008 Consumer Confidence Rule Other 24 SDWIS / IA9525601 / 7000
2003 Combined Radium (-226 and -228) MR 6 SDWIS / IA9525601 / 4010
2002 Lead and Copper Rule MR 22 SDWIS / IA9525601 / 5000
1997 Antimony, Total MR 6 SDWIS / IA9525601 / 1074
1997 Arsenic MR 6 SDWIS / IA9525601 / 1005
1997 Barium MR 6 SDWIS / IA9525601 / 1010
1997 Fluoride MR 6 SDWIS / IA9525601 / 1025
1997 Mercury MR 6 SDWIS / IA9525601 / 1035
1997 Selenium MR 6 SDWIS / IA9525601 / 1045
1997 Thallium, Total MR 6 SDWIS / IA9525601 / 1085
1997 p-Dichlorobenzene MR 6 SDWIS / IA9525601 / 2969

How ROCKY KNOLL MHP Compares

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

Metric ROCKY KNOLL MHP Iowa avg Federal benchmark
Total violations 502 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 33 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 49 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ROCKY KNOLL MHP water safe to drink? ▼
ROCKY KNOLL MHP (PWS ID: IA9525601) has 502 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 49 people using Groundwater sources.
How many people does ROCKY KNOLL MHP serve? ▼
ROCKY KNOLL MHP serves 49 people in LELAND, Iowa. It is a Private-owned system using Groundwater water sources with 35 service connections.
What type of violations does ROCKY KNOLL MHP have? ▼
ROCKY KNOLL MHP has 502 total violations: 33 health-based violations (MCL exceedances or treatment failures), 431 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROCKY KNOLL MHP water? ▼
No PFAS testing data is available for ROCKY KNOLL MHP under the EPA's UCMR5 monitoring program.
What water source does ROCKY KNOLL MHP use? ▼
ROCKY KNOLL MHP 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.

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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.

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