PlainWater
Counties → Illinois

Adams County, Illinois

Water Systems
25
Population Served
67,920
Total Violations
2,040
114 health-based
PFAS Detected
2
of 4 tested

Violation Analysis

84.0%
Systems with Violations
81.6
Avg Violations per System
5.6%
Health-Based Violations

Water Source Types

GW
19 systems (76%)
SW
6 systems (24%)

PFAS Contamination

4
Systems Tested
2
PFAS Detected
50.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Adams Illinois water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (21)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Quincy 42,000 78 Detected
Abs Water Coop 6,858 35 Clean
Mill Creek Pwd 5,755 15 Clean
Blessing Hospital 2,460 1 -
Clayton-Camp Point Water Commission 2,434 15 -
Payson 1,386 42 -
Camp Point 1,190 45 -
Mendon 953 34 Clean
Adams County Water District No 1 833 93 -
Clayton 709 51 -
Ursa 626 200 -
Golden 620 5 -
Liberty 609 12 -
IL Veterans Home (Quincy) 401 16 -
Loraine 300 180 -
Plainville 264 34 -
Lima 168 79 -
Expressway MHP 98 27 -
Clayton Work Camp 83 0 -
La Prairie 47 32 -
J M Huber Well 2 26 595 -
Walmart #1454 Vending Machine 25 0 -
Hyvee on Broadway Quincy 25 0 -
Hyvee on Harrison Quincy 25 0 -
J M Huber Well 1 25 451 -

Other Counties in Illinois

Cook County
427 systems · 5,304,996 served · 21,728 violations
DuPage County
207 systems · 861,775 served · 15,779 violations
Lake County
540 systems · 719,035 served · 33,311 violations
Will County
330 systems · 622,572 served · 37,818 violations
Kane County
191 systems · 592,544 served · 12,844 violations
McHenry County
307 systems · 271,051 served · 11,554 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Adams County? ▼
Adams County has 2,040 total drinking water violations across 25 water systems, of which 114 are health-based violations. 84.0% of systems have at least one violation.
How many people get water from Adams County systems? ▼
Water systems in Adams County serve approximately 67,920 people through 25 public water systems.
Has PFAS been detected in Adams County water? ▼
Of 4 water systems tested for PFAS in Adams County, 2 had PFAS detected (50.0% detection rate).
What types of water sources supply Adams County? ▼
Water systems in Adams County use GW (19 systems), SW (6 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 5.6% of Adams County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

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 page draws directly on 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.