01The verdict: is Mulberry Grove water safe?
Mulberry Grove's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (82.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 548 residents using surface water (rivers, lakes, or reservoirs).
2 unresolved violations on record
EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.
See what was cited ↓Lead is well under the limit
90th-percentile lead is 3.9 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓4 violations in the last five years
Recent compliance history is the best predictor of future problems — the year-by-year record is below.
See the record ↓Mulberry Grove's drinking water received a grade of B+ (82.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 548 residents using purchased surface water.
Lead levels were measured at 3.9 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program. The system has 20 violations on record, including 11 health-based violations. 2 remain unresolved.
Mulberry Grove ranks #485 out of 882 cities in Illinois for water quality, placing it below average in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. As a small community water system, Mulberry Grove may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
02What's in Mulberry Grove's water
Every contaminant flagged in Mulberry Grove, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 3.9 | 15 | ppb | Inorganic | Safe |
Cities ranked by 90th-percentile lead PF PFAS in Illinois
Cities ranked by compounds detected Cu Copper in Illinois
Cities ranked by 90th-percentile copper
03Mulberry Grove's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 20 violations on record, including 11 health-based violations. 2 remain unresolved.
7 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.
▲ Up 2.9 ppb since 1994. Latest reading: 3.9 ppb (2024) — 26% of the action level. Sampled at higher-risk homes (90th percentile).
04Where Mulberry Grove's water comes from
Mulberry Grove's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Purchased Surface Water
Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.
Wholesale supplier
Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.
1 system
1 water system, operated under local government ownership.
548 people
Residents served across Mulberry Grove's service area.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 548 people through 1 water system.
| System name | PWSID | Population | Source |
|---|---|---|---|
| MULBERRY GROVE | IL0050100 | 548 | Purchased Surface Water |
Water bodies near Mulberry Grove
As a surface-water system, these water bodies may directly influence Mulberry Grove's drinking water supply.
05Pressure on Mulberry Grove's watershed
Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.
Industrial discharge
2 facilities within 10 miles reported 0 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.
Flood & storm history
1 federal disaster declaration on record for Bond County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.
06How Mulberry Grove compares
Scores for nearby Illinois cities on one line, with the average marked.
dashed line = Illinois average (55/100)
Mulberry Grove scores 82.4/100 — above the Illinois average of 55/100. It outscores 9 of 10 nearby cities. Full Illinois rankings →
35.2 / 100DAurora, IL
45.5 / 100FJoliet, IL
38.5 / 100BNaperville, IL
81.2 / 100FRockford, IL
38.4 / 100FKankakee, IL
42.6 / 100
Compare all cities in the county — grades, violations, and contaminant data side by side.→
07What to do at home
Steps matched to what testing actually found in Mulberry Grove's water — not generic advice.
A basic carbon filter still helps
Mulberry Grove's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Flush taps & check your service line
Lead leaches from pipes as water sits. Run cold water 30 seconds before drinking (especially mornings), and ask the utility whether your address still has a lead service line.
Lead risks explained →Watch for Mulberry Grove alerts
We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.
All water alerts →Frequently asked questions
Is Mulberry Grove, IL tap water safe to drink?
Mulberry Grove's water quality earned a grade of B+ (82.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #485 out of 882 cities tested in Illinois.
What contaminants are in Mulberry Grove's water?
Lead was measured at 3.9 ppb (90th percentile). 20 violations are on record.
How is Mulberry Grove's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Mulberry Grove?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mulberry Grove's water come from?
Mulberry Grove's water is sourced from Purchased surface water. The city has 1 water system serving approximately 548 residents.
What health violations has Mulberry Grove's water system had?
Mulberry Grove has 11 health-based violations on record. The most recent violation was recorded in July 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
How does Mulberry Grove's water compare to other cities?
Mulberry Grove ranks #485 out of 882 cities in Illinois (better than 45% of state cities) and #6931 out of 15382 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Mulberry Grove's small water system affect quality?
Mulberry Grove's system serves approximately 548 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 20 violations on record.