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MONTGOMERY CO RWD 1C vs WATER DISTRICT 1 OF JOHNSON CO

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

Both utilities share the same risk level (safe). MONTGOMERY CO RWD 1C has 0 open health-based violations and 0 PFAS records. WATER DISTRICT 1 OF JOHNSON CO has 0 open health-based violations and 319 PFAS records.

MONTGOMERY CO RWD 1C

Kansas · KS2012509

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

0

PFAS records

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

319

PFAS records

Head-to-Head Comparison

MetricMONTGOMERY CO RWD 1CWATER DISTRICT 1 OF JOHNSON CO
StateKansasKansas
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served2,450490,000
Open Health Violations00
Total Violations02
PFAS RecordsNone detected319
OwnershipLocalLocal
Service TypeSurface waterSurface water
City ServedHavanaKansas City

Contaminants in Violation Records

MONTGOMERY CO RWD 1C

No named contaminants in violation records.

WATER DISTRICT 1 OF JOHNSON CO

  • Nitrate

Key Differences

MONTGOMERY CO RWD 1C has 0 PFAS records vs. 319 for WATER DISTRICT 1 OF JOHNSON CO.

What Should I Do?

If either utility shows open violations or elevated PFAS records, consider:

  • Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
  • Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
  • Ordering a certified lab water test if you want contaminant-specific data for your address.

Frequently Asked Questions

Which is safer — MONTGOMERY CO RWD 1C or WATER DISTRICT 1 OF JOHNSON CO?

Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.

What does "open health-based violation" mean?

An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.

How current is this data?

Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.

What does PWSID mean?

PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.

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