6.36.030 Identification of noise environments and maximum permissible noise levels.
A. Environmental Designation for Noise Abatements (EDNA) are established based on consideration of historical, present and future land use of each zoning district.
B. No person shall cause or permit sound to intrude onto the real property of another person that exceeds the maximum permissible sound levels established by this chapter. The point of measurement shall be anywhere within the receiving property.
C. Maximum permissible noise levels are given below and are consistent with State requirements (Chapter 70.107 RCW and Chapter 173-60 WAC):
|
EDNA of Noise Source (Land Use Zones) |
EDNA of Receiving Property (Land Use Zones) |
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|---|---|---|---|---|
|
Class A (All R zones, MDD3, NDD1 & RA-5) |
Class B (UR, NC, GC, OV, DT, NDD2) |
Class C (MP, I, BP, OBAT, MDD1, MDD2, MDD4, MDD5, NDD3) |
||
|
Daytime 7:00 a.m. — 10:00 p.m. |
Nighttime 10:00 p.m. — 7:00 a.m. |
|||
|
Class A |
55 dBA |
45 dBA |
57 dBA |
60 dBA |
|
Class B |
57 dBA |
47 dBA |
60 dBA |
65 dBA |
|
Class C |
60 dBA |
50 dBA |
65 dBA |
70 dBA |
Legend
EDNA = Environmental Designation for Noise Abatement
dBA = decibels
(Ord. 2884 § 2, 2017: Ord. 2754 § 2, 2014: Ord. 2590 § 2 (part), 2011).