Water Quality Report · Updated October 07, 2026
SPRINGFIELD
SPRINGFIELD delivers tap water graded D (64/100) by TapWaterSafety.org. The utility serves approximately 117,444 residents in SPRINGFIELD, Illinois using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Arsenic detected. For questions, the utility can be reached at 217-789-2116.
Is SPRINGFIELD tap water safe to drink?
SPRINGFIELD delivers tap water that earns a grade of D (64/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including haloacetic acids (haa9) significantly above health guideline.
The utility serves 117,444 residents in SPRINGFIELD, drawing from surface water.
Public testing data identifies 14 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Arsenic, Chloroform, Dichloroacetic acid, Chromium (hexavalent), Trichloroacetic acid, Dibromochloromethane, Radium, combined (-226 and -228), Dibromoacetic acid, Nitrate, Nitrate and nitrite. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for SPRINGFIELD (system ID IL1671200) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Synthetic Organic Chemicals | Missed testing or reporting | 07/01/2025 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 07/01/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for SPRINGFIELD residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for SPRINGFIELD.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 26.3 ppb, 438x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 41.2 ppb, 274x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 20.0 ppb, 200x above the EWG health guideline of 0.1 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.315 ppb.
Contact SPRINGFIELD
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for SPRINGFIELD
Filters matched to the specific contaminants in this water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 64/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
26.3 ppb | 0.06 | — | — | — | — | — | 438× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
41.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 274× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
20.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 200× over |
| Bromodichloromethane Disinfection byproduct |
7.54 ppb | 0.06 | — | — | — | — | — | 126× over |
| Arsenic Heavy metal |
0.315 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 79× over |
| Chloroform Disinfection byproduct |
31.3 ppb | 0.4 | — | — | — | — | — | 78× over |
| Dichloroacetic acid Disinfection byproduct |
15.0 ppb | 0.2 | — | — | — | — | — | 75× over |
| Chromium (hexavalent) Heavy metal |
1.4 ppb | 0.02 | — | — | — | — | — | 70× over |
| Trichloroacetic acid Disinfection byproduct |
4.5 ppb | 0.1 | — | — | — | — | — | 45× over |
| Dibromochloromethane Disinfection byproduct |
2.28 ppb | 0.1 | — | — | — | — | — | 23× over |
| Radium, combined (-226 and -228) Radiological |
1.01 pCi/L | 0.05 | 5.0 | — | — | — | — | 20× over |
| Dibromoacetic acid Disinfection byproduct |
0.205 ppb | 0.03 | — | — | — | — | — | 6.8× over |
| Nitrate Inorganic |
0.353 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.5× over |
| Nitrate and nitrite Inorganic |
0.325 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.3× over |
| Atrazine Pesticide/Herbicide |
0.04 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Below guideline |
| Vanadium Other |
3.83 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
17.0 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
0.822 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
12.9 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.286 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.52 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
1.5 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| 4-Androstene-3,17-dione Other |
0.125 ppt | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.618 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
SPRINGFIELD service area
This water system serves 1 community in Sangamon County, Illinois. Click any city for its dedicated tap water quality page.
Find the right filter for SPRINGFIELD water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.