Munimetric Water System Profile

Norwich Public Utilities, CT

Drinking Water Infrastructure Profile

Norwich Public Utilities, CT, Connecticut — Munimetric water system profile with MISI stress score, active compliance signals, infrastructure context, and fiscal pressure indicators. This profile highlights what is happening and why it matters using water-system, fiscal, capital, and signal context.

Norwich Public Utilities, CT has a MISI infrastructure stress score of 37.4/100 in the Watch band as of 2026-05-19. Public records show surface-water sourcing, PFAS monitoring context, lead and copper compliance context and approximately 36,163 residents served. Updated May 2026.

WatchScore date May 19, 2026Methodology v0.1.2

State context

Current market shown in covered state context. Tile size reflects population served; color reflects stress band.

37.4Headline composite
WatchBand
88%Confidence
~36KPop. served
P83Peer percentile
6Active signals

Current headline composite

Component of current headline composite

Infrastructure Stress17.2 / 100

Physical, compliance, and capital-execution pressure reflected in the blended headline composite.

Socioeconomic Stress20.2 / 100

Affordability, demand-base, and parent-government fiscal pressure reflected in the blended headline composite.

Observability Stress0.0 / 100

Staleness, disclosure freshness, and reporting-visibility effects reflected in the blended headline composite.

37.4/100 headline compositeWatch88% confidencedrinking_water::community_water_system::25k_to_100k::surface_water~36K people served

Track

Norwich Public Utilities, CT Infrastructure Track

Portfolio posture across schedule and budget risk. · 1 active projects.

Market scope
Total capital$1M
On-time rate
100%
Budget risk
30%
Delayed0%
Sch. variance0d

Funding mix

1 projectsTracked capital: $1,022,274

  • Funding mix unavailable

Monitoring context stored

Water Quality & Supply Context

Public-record context for this system. Stored monitoring and compliance records only. Does not change MISI.

Public records
Records presentCTPWSID CT1040011.
Recent violations
56 records26 MRConsumer Confidence Rule, Stage 2 Disinfectants and Disinfection Byproducts Rule +2
Enforcement records
122 recordsStored public enforcement rows.
PFAS monitoring records
12 detections0.02Stored PFAS monitoring records list 300 samples and 12 detections.
Lead/copper monitoring records
Records stored42 samplesStored lead/copper records list 0 open LCR violations and 0 action-level records.
Source / supply context
Surface waterIdentity36,163 served; Dec 31, 2025.

Executive context

What the Data Suggests

As a community water provider for roughly 36,163 residents, Norwich Public Utilities, CT falls into the smaller tier of scored systems. At the latest reading, Munimetric flags the system as showing early but meaningful signs of structural stress.

The score is being driven mainly by Capex Pressure, which is running high in the model, with Rate Constraint adding another heavy layer of pressure. That combination suggests strain is showing up across core system functions, not just one isolated dimension.

4 active stress signals are attached to this system, including 2 at high severity. That signal mix points to a system where several warning indicators are firing at once, not just one extreme outlier.

Within Community · 25k–100k · Surface, this system ranks around the 83rd percentile on measured stress, placing it among the more stressed systems in its peer group.

Recent score history has been relatively steady, consistent with the system's overall profile.

This summary is based on structured, source-backed public data and is intended for research and monitoring only. It is not investment advice, a credit opinion, or municipal advisory guidance.

Analytical posture

Market Stress Analytics

Family Contribution

MISI family contributions for this market.

Capex PressureCapex Pressure: 17.2 / 20.017.2Rate ConstraintRate Constraint: 16.5 / 20.016.5Governance RiskGovernance Risk: 3.7 / 20.03.7Operational StressOperational Stress: 0.0 / 20.00.0Revenue FragilityRevenue Fragility: 0.0 / 20.00.0

Peer Position

Where Norwich Public Utilities sits within its peer cohort.

0%25%50%75%100%37.4drinking_water::community_water_system::25k_to_100k::surface_water · 1132 systems · 83th percentileLess stressMore stress
Income ErosionIncome Erosion: 15.6% weight — Available 15.6%Compliance EscalationCompliance Escalation: 9.4% weight — Available 9.4%Infrastructure Capit…Infrastructure Capital Gap: 9.4% weight — Available 9.4%Population Served De…Population Served Decline: 7.8% weight — Population-served trend is unavailable because the latest support metric snapshot is missing or incomplete. 7.8%Housing Market Weakn…Housing Market Weakness: 7.8% weight — Available 7.8%Parent-Government Fi…Parent-Government Fiscal Stress: 7.8% weight — Available 7.8%Monitoring / Reporti…Monitoring / Reporting Failures: 6.3% weight — Available 6.3%Climate Hazard Expos…Climate Hazard Exposure: 6.3% weight — No FEMA climate-hazard risk score is available for this market. 6.3%Lead & Copper Rule R…Lead & Copper Rule Risk: 6.3% weight — Available 6.3%PFAS Contamination R…PFAS Contamination Risk: 6.3% weight — Available 6.3%SRF Dependence SpikeSRF Dependence Spike: 6.3% weight — Available 6.3%Utility Data StalenessUtility Data Staleness: 4.7% weight — Available 4.7%Formal Enforcement O…Formal Enforcement Obligations: 3.1% weight — Available 3.1%Rapid Score Deterior…Rapid Score Deterioration: 3.1% weight — Available 3.1%
AvailableMissing

Score History

Latest

37.4

Trend

+17.4

Observations

41

Mar 24, 2026 · 20.0Mar 25, 2026 · 32.0Mar 29, 2026 · 32.0Apr 2, 2026 · 42.0Apr 3, 2026 · 42.0Apr 3, 2026 · 42.0Apr 4, 2026 · 36.0Apr 5, 2026 · 36.0Apr 5, 2026 · 36.0Apr 6, 2026 · 42.0Apr 7, 2026 · 42.0Apr 8, 2026 · 42.0Apr 9, 2026 · 42.0Apr 10, 2026 · 42.0Apr 13, 2026 · 42.0Apr 14, 2026 · 42.0Apr 18, 2026 · 42.0Apr 19, 2026 · 42.0Apr 21, 2026 · 42.0Apr 22, 2026 · 42.0Apr 23, 2026 · 42.0Apr 24, 2026 · 42.0Apr 25, 2026 · 42.0Apr 26, 2026 · 37.4Apr 26, 2026 · 42.0Apr 27, 2026 · 37.4Apr 28, 2026 · 37.4Apr 29, 2026 · 37.4Apr 30, 2026 · 37.4May 1, 2026 · 37.4May 2, 2026 · 37.4May 3, 2026 · 37.4May 4, 2026 · 37.4May 5, 2026 · 37.4May 6, 2026 · 37.4May 7, 2026 · 37.4May 8, 2026 · 37.4May 9, 2026 · 37.4May 10, 2026 · 37.4May 17, 2026 · 37.4May 19, 2026 · 37.4Mar 24, 2026May 19, 2026

Structural Indicators

Operational Stress0.0 / 20.0

Operational Stress totals 0.000 points with no triggered factors.

Capex Pressure17.2 / 20.0

Capex Pressure totals 17.236 points, led by infrastructure capital gap.

Revenue Fragility0.0 / 20.0

Revenue Fragility totals 0.000 points with no triggered factors.

Rate Constraint16.5 / 20.0

Rate Constraint totals 16.498 points, led by income erosion.

Governance Risk3.7 / 20.0

Governance Risk totals 3.663 points, led by parent-government fiscal stress.

Stress movement

Diagnostics

Diagnostics & Movement

Compact status for confidence, data coverage, disclosure freshness, and stored score movement. Detailed diagnostic history remains available below.

Confidence

88%

Confidence is mainly capped by document freshness.

Factor coverage

Complete

All tracked confidence factors are currently available.

Disclosure freshness

Not available

No attached disclosure document has a usable reference date.

Latest movement

flat 0.0

Compared with May 17, 2026.

Last material movement

-4.6

Recorded Apr 26, 2026.

History

41 observations stored

Latest stored observation May 19, 2026.

Show detailed diagnostic history

Expanded stress diagnostics

Open detailed contribution diagnostics

No detailed factor diagnostics are stored for this profile snapshot.

Confidence summary

Confidence is mainly capped by document freshness.

Missing factor coverage

No factor gaps are recorded on the latest stored score.

Disclosure freshness diagnostics

0 attached local documents · 0 structured facts

No attached disclosure document has a usable reference date.

Latest reference Not available · stale after Not available

Score movement

flat 0.0

Previous run May 17, 2026

May 19, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 17, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 10, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 9, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 8, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 7, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 6, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 5, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 4, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 3, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 2, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

May 1, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

Apr 30, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

Apr 29, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

Apr 28, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

Apr 27, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run 0.0

Apr 26, 2026

Score 37.4 in band watch. Confidence 88%.

Delta vs prior run -4.6

Apr 26, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 25, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 24, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 23, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 22, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 21, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 19, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 18, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 14, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 13, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 10, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 9, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 8, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 7, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 0.0

Apr 6, 2026

Score 42.0 in band fragile. Confidence 88%.

Delta vs prior run 6.0

Apr 5, 2026

Score 36.0 in band watch. Confidence 79%.

Delta vs prior run 0.0

Apr 5, 2026

Score 36.0 in band watch. Confidence 90%.

Delta vs prior run 0.0

Apr 4, 2026

Score 36.0 in band watch. Confidence 90%.

Delta vs prior run -6.0

Apr 3, 2026

Score 42.0 in band fragile. Confidence 90%.

Delta vs prior run 0.0

Apr 3, 2026

Score 42.0 in band fragile. Confidence 90%.

Delta vs prior run 0.0

Apr 2, 2026

Score 42.0 in band fragile. Confidence 90%.

Delta vs prior run 10.0

Mar 29, 2026

Score 32.0 in band watch. Confidence 80%.

Delta vs prior run 0.0

Mar 25, 2026

Score 32.0 in band watch. Confidence 80%.

Delta vs prior run 12.0

Mar 24, 2026

Score 20.0 in band stable. Confidence 66%.

Signals

Signal Timeline

MaterialactiveNot availableRank #1

Signal
pfas contamination risk
Score impact
Not available
Resolved
Active
MaterialresolvedNot availableRank #2

Signal
pfas contamination risk
Score impact
Not available
Resolved
Apr 7, 2026
SignificantresolvedNot availableRank #3

Signal
Utility Data Staleness
Score impact
Not available
Resolved
Apr 4, 2026
MaterialactiveNot availableRank #4

Signal
Parent-Government Fiscal Stress
Score impact
Not available
Resolved
Active
SignificantactiveNot availableRank #5

Signal
Infrastructure Capital Gap
Score impact
Not available
Resolved
Active
SignificantactiveNot availableRank #6

Signal
Income Erosion
Score impact
Not available
Resolved
Active

Keep monitoring this market

Briefs and workflow access cover repeat monitoring, saved work, exports, Track, and Munex workflows.

About Norwich Public Utilities, CT

Norwich Public Utilities, CT is a community drinking-water system in Connecticut that Munimetric monitors for infrastructure stress. The current MISI score of 37.4 out of 100 places this system in the watch stress band as of 2026-05-19. The MISI composite reflects five structural risk families: Operational Stress, Capex Pressure, Revenue Fragility, Rate Constraint, and Governance Risk. Higher scores indicate more structural stress.

Data is assembled from EPA SDWA compliance records, American Community Survey demographic and economic indicators, FEMA National Risk Index hazard exposure data, state-reported financial disclosures, and stored public-record water quality context where available. This system serves approximately 36,163 people. The system has 56 recorded compliance violations in the SDWA record. Munimetric does not fabricate data where public records are unavailable. This profile is for structural monitoring and research—not a current-condition determination or credit rating. Updated May 2026.

What is the Munimetric score for Norwich Public Utilities, CT?
The current Munimetric Infrastructure Stress Index (MISI) score for Norwich Public Utilities, CT is 37.4 out of 100, placing this system in the watch stress band. MISI is a composite of five structural risk families. Higher values indicate more stress. The score is deterministic, source-backed, and updated as new data becomes available.
Does Norwich Public Utilities, CT show signs of drinking-water infrastructure stress?
Munimetric monitors structural stress indicators for Norwich Public Utilities, CT across operational conditions, capital needs, revenue stability, rate affordability, and governance quality. The current MISI score and active signals shown in this profile reflect the latest available evidence from EPA, ACS, FEMA NRI, and state financial disclosures.
Does Munimetric rate current tap-water conditions for Norwich Public Utilities, CT?
No. Munimetric is not a water testing service and does not make current-condition determinations. This profile tracks structural conditions: compliance posture, financial pressure, infrastructure stress, and governance quality. For current water quality testing results, consult the system's Consumer Confidence Report or contact the local water utility.
Has Norwich Public Utilities, CT had a boil water advisory?
Munimetric does not track real-time boil water advisories. For current advisory status, contact your local water utility or state drinking water program. This profile tracks structural risk indicators and compliance history that provide long-term context around system reliability.
Are lead pipes or corrosion risk a concern in Norwich Public Utilities, CT?
Where EPA SDWA compliance data includes lead and copper rule monitoring, violations, or enforcement actions, that information feeds into the Operational Stress component of the MISI score. Munimetric does not fabricate lead pipe data where public records are silent.
Does Munimetric include PFAS monitoring context for Norwich Public Utilities, CT?
Where stored public records include UCMR or contaminant-monitoring summaries, Munimetric displays PFAS monitoring context as public-record evidence. Missing PFAS summaries are treated as missing records, not as non-detections. This context does not change MISI by itself.
What source-water context is available for Norwich Public Utilities, CT?
Munimetric displays stored source-water and supply context where public drinking-water identity records are available. Source-water context helps explain treatment and supply exposure, but missing source records remain explicit rather than inferred.
Why might water rates be increasing in Norwich Public Utilities, CT?
Rate pressure can reflect capital investment needs, a declining customer base, revenue fragility, affordability constraints, or parent-government fiscal stress. The Rate Constraint and Revenue Fragility score families specifically measure these pressures where data is available from public financial disclosures.
What does the MISI score mean for Norwich Public Utilities, CT?
The MISI score (37.4/100) is a composite measure of structural risk across five families: Operational Stress, Capex Pressure, Revenue Fragility, Rate Constraint, and Governance Risk. The headline remains a blended structural stress composite rather than a pure physical-condition index. The current methodology also downweights factors that are nearly universal or very rare in the frozen national reference population, so one common contextual factor does not dominate the headline by itself. Higher scores indicate more structural stress. It is deterministic and source-backed, not a credit rating.