Calvert, AL Water Safety: 73/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
How does Calvert tap water hold up under EPA scrutiny? Above average for AL — documented violations are uncommon and the safety grade reflects a clean overall record.
How Calvert Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Calvert Water
- Homes built before 1986: 49% — older plumbing may contain lead solder.
- Estimated remediation: $1,700 per household.
- CDC health risk index: 16.11 — above typical levels.
Who Supplies Your Water in Calvert
2 water utilities share the residential service territory in Calvert, AL — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Calvert, Alabama (population ~490), covering 2 community water systems serving approximately 43,074 people region-wide.
No EPA violations recorded across any ZIP codes in Calvert — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Calvert: B (73/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Calvert water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Calvert
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 36513 | B | South Alabama Utilities Water System | 39,249 |
All ZIP Codes in Calvert
- 36513 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Calvert
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Calvert
With 49% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
For a city with a median build year of 1983, Calvert carries a housing profile that straddles the 1986 federal ban on lead solder in plumbing. Neither predominantly new nor predominantly old, the stock presents a moderate aggregate risk environment — with individual risk varying sharply depending on when and where a specific home was built.
Most homes in Calvert were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Calvert Homeowners
For most Calvert homeowners, estimated remediation represents a moderate equity share — manageable with planning.
Remediation costs are moderate relative to home values in Calvert. The estimated $1,100–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 32% below the Alabama average.
Lead Exposure Risk for Children in Calvert
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 49% of Calvert stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Calvert
Taken together, Calvert's 5 NFIP flood insurance claims and 100% FEMA flood zone coverage place it in the moderate range of exposure. That middle position has specific implications for water quality. The contamination pathways that flooding can open — surface water overwhelming treatment facility intake, floodwaters infiltrating private wells, distribution pressure changes creating backflow — are not constant risks in a moderate-exposure community. But they do become active during significant flood events, and the claim record here indicates enough of those events to make flood timing an occasional factor in local water quality conversations.
Calvert has a moderate flood history with 5 FEMA claims averaging $1,888 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,700</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Calvert, AL