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Community Water System · PWS IL1670800

New Berlin

New Berlin, Illinois 62670 - drinking water served from groundwater sources to 1,380 people, tracked in EPA SDWIS and UCMR5.

1,380
People served
241
EPA violations
137
Health-based
Untested
UCMR5 result

The verdict

EPA records 241 drinking-water violations at New Berlin, 57% of them health-based - above the Illinois per-system average.

241
Total EPA violations on record
57%
Health-based (MCL / treatment failure)
1,380
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Berlin

New Berlin is a local-owned community water system that delivers drinking water to 1,380 residents in New Berlin, Illinois (Sangamon County) through 580 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 241 total violations for this system , of which 137 (57%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 77 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 Surface Water Treatment Rule, recorded in 126 violations (TT, health-based). 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. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

New Berlin's 241 violations sit above the Illinois 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
1,380
Total Violations
241
Health-Based Violations
137
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
580
County
Sangamon
School/Daycare
No
MCL Violations
8
Monitoring Violations
77
Treatment Tech Violations
129

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 126 2007
Chlorine MR 16 2024
Lead and Copper Rule MR 10 2025
Public Notice Other 9 2025
Total Haloacetic Acids (HAA5) MR 9 2025
TTHM MR 9 2025
Coliform (TCR) MCL 8 2013
Revised Total Coliform Rule MON 8 2024
Coliform (TCR) MR 7 2007
Surface Water Treatment Rule MR 6 2004
E. COLI MR 4 2010
Nitrate MR 4 2003
CARBON, TOTAL MR 3 2004
Lead and Copper Rule TT 3 2023
Consumer Confidence Rule Other 2 2025
Gross Alpha, Excl. Radon and U MR 1 1977

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 New Berlin.

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 IL1670800 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA, Bureau of Water is the primacy agency that licenses and inspects New Berlin under EPA-delegated authority.

Open IL regulator portal

Source: 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 Lead and Copper Rule MR 10 SDWIS / IL1670800 / 5000
2025 Public Notice Other 9 SDWIS / IL1670800 / 7500
2025 Total Haloacetic Acids (HAA5) MR 9 SDWIS / IL1670800 / 2456
2025 TTHM MR 9 SDWIS / IL1670800 / 2950
2025 Consumer Confidence Rule Other 2 SDWIS / IL1670800 / 7000
2024 Chlorine MR 16 SDWIS / IL1670800 / 0999
2024 Revised Total Coliform Rule MON 8 SDWIS / IL1670800 / 8000
2023 Lead and Copper Rule TT 3 SDWIS / IL1670800 / 5000
2013 Coliform (TCR) MCL 8 SDWIS / IL1670800 / 3100
2010 E. COLI MR 4 SDWIS / IL1670800 / 3014
2007 Surface Water Treatment Rule TT 126 SDWIS / IL1670800 / 0200
2007 Coliform (TCR) MR 7 SDWIS / IL1670800 / 3100
2004 Surface Water Treatment Rule MR 6 SDWIS / IL1670800 / 0200
2004 CARBON, TOTAL MR 3 SDWIS / IL1670800 / 2920
2003 Nitrate MR 4 SDWIS / IL1670800 / 1040

How New Berlin Compares

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

Metric New Berlin Illinois avg Federal benchmark
Total violations 241 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 137 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 1,380 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 (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 New Berlin water safe to drink? ▼
New Berlin (PWS ID: IL1670800) has 241 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,380 people using Groundwater sources.
How many people does New Berlin serve? ▼
New Berlin serves 1,380 people in New Berlin, Illinois. It is a Local-owned system using Groundwater water sources with 580 service connections.
What type of violations does New Berlin have? ▼
New Berlin has 241 total violations: 137 health-based violations (MCL exceedances or treatment failures), 77 monitoring/reporting violations, and 129 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Berlin water? ▼
No PFAS testing data is available for New Berlin under the EPA's UCMR5 monitoring program.
What water source does New Berlin use? ▼
New Berlin 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.