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WaterVerge

Water quality report · updated Jul 2026

Is Tightwad, MO Tap Water Safe to Drink?

Graded A with no contaminants above EPA limits. Here's everything we tested and how Tightwad ranks. What to do ↓

0 contaminants over a legal limit
0.0 ppb lead, 90th percentile · low
None unresolved violations
3K people served by 1 water system

PWSID MO1021117 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 92.8 / 100

#38 of 487Missouri cities
How we grade →

01The verdict: is Tightwad water safe?

Based on EPA testing data, Tightwad's tap water is generally safe to drink. The water system earned a grade of A (92.8/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 2,993 residents using surface water (rivers, lakes, or reservoirs).

The headline

Nothing over a legal limit

Every contaminant measured in Tightwad's water is within its EPA limit, and no violations are unresolved.

See the testing ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

3 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

Tightwad's drinking water received a grade of A (92.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,993 residents using purchased surface water.

Lead levels were measured at 0.0 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 7 violations on record, including 5 health-based violations. All violations have been resolved.

Tightwad ranks #38 out of 487 cities in Missouri for water quality, placing it one of the best 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, Tightwad may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 92.8/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
41.8 / 45A
Lead & CopperLead at 0.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
10 / 10A
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Tightwad's water

Every contaminant flagged in Tightwad, 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.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Tightwad'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 7 violations on record, including 5 health-based violations. All violations have been resolved.

All ten of the last ten years were clean — no EPA violations recorded for Tightwad.

UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Tightwad's water quality assessment. Grade: A (92.8/100).
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: TTHM.Resolved
DisasterHURRICANE KATRINA EVACUATIONFederal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.
DisasterSEVERE STORMS & FLOODINGFederal disaster declaration (FEMA DR-995). Flood event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1998 — 0 ppb1999 — 0 ppb2002 — 0 ppb2005 — 1.1 ppb2007 — 1.1 ppb2010 — 2.4 ppb2011 — 3.1 ppb2013 — 3.1 ppb2014 — 1.0 ppb2016 — 1.0 ppb2017 — 0 ppb2019 — 0 ppb2020 — 0 ppb2022 — 0 ppb2023 — 0 ppb0199820052011201620202023

Down 0 ppb since 1998. Latest reading: 0 ppb (2023) — 0% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Tightwad's water comes from

Tightwad's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

2,993 people

Residents served across Tightwad'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 2,993 people through 1 water system.

System namePWSIDPopulationSource
HENRY COUNTY PWSD 3 MO1021117 2,993 Purchased Surface Water

05Pressure on Tightwad'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.

Flood & storm history

Recurring — declared disasters

3 federal disaster declarations on record for Henry County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE KATRINA EVACUATION Sep 2005 · DR-3232
SEVERE STORMS & FLOODING Jul 1993 · DR-995
SEVERE STORMS & FLOODING Oct 1986 · DR-779

06How Tightwad compares

Scores for nearby Missouri cities on one line, with the average marked.

Tightwad (this city)
92.8 · A
Kansas City
79.2 · B
Chesterfield
74.8 · B-
Columbia
61.4 · C
O Fallon
43.4 · F
Springfield
37.1 · F

dashed line = Missouri average (67/100)

Tightwad scores 92.8/100above the Missouri average of 67/100. It outscores 10 of 10 nearby cities. Full Missouri rankings →

Henry water quality rankings
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 Tightwad's water — not generic advice.

Extra protection

A basic carbon filter still helps

Tightwad'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 →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Tightwad alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Tightwad, MO tap water safe to drink?

Tightwad's water quality earned a grade of A (92.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #38 out of 487 cities tested in Missouri.

What contaminants are in Tightwad's water?

Lead was measured at 0.0 ppb (90th percentile). 7 violations are on record.

How is Tightwad'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 Tightwad?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Tightwad's water come from?

Tightwad's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,993 residents.

What health violations has Tightwad's water system had?

Tightwad has 5 health-based violations on record. The most recent violation was recorded in July 2016. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

How does Tightwad's water compare to other cities?

Tightwad ranks #38 out of 487 cities in Missouri (better than 92% of state cities) and #1105 out of 15382 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Tightwad's small water system affect quality?

Tightwad's system serves approximately 2,993 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 7 violations on record.

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About Tightwad, MO: Clinton is a city in and the county seat of Henry County, Missouri, United States. The population was 9,174 at the 2020 census. Median household income $95,804 · median age 63.2 · 80% homeowners · 20% college educated. Wikipedia → Service area: 1 ZIP code across Henry.
Show ZIP codes 64735
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.