Sewage Exterior affects +10 Hygiene. Compare the documented variants across 1 building type before choosing where to spend. Matching names do not guarantee matching costs or requirements.
Early Access · current recordPatch context 0.4.5Checked
Building variants · attributed secondary reference
Building
Improvement
Tier
Reference cost
Reference time
Effect
Workers' House
Sewage Exterior 1
Not recorded
300
Not recorded
+10 Hygiene
Workers' House
Sewage Exterior 2
Not recorded
500
4h
+10 Hygiene
Workers' House
Sewage Exterior 3
Not recorded
800
12h
+10 Hygiene
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Use this record for a decision
The documented effect of Sewage Exterior is +10 Hygiene. Choose a building variant from the ledger, then confirm that the matching slot and prerequisite are available. Compare the effect with your current bottleneck; spending more on a different tier is useful only when its additional effect addresses that problem.
Official patch notes establish the shipped changes they name. Secondary figures remain attributed reference values until checked in the installed game.